unsquashfs.c revision 9cc26b77a61fefdeb45f5c487c2bfdefd394b66f
12f60990fb0352f7a30e0281a066458dbf033618bplougher/* 2e3206fad5b70e7e0527db2a627ad26616a8a2429plougher * Unsquash a squashfs filesystem. This is a highly compressed read only 3e3206fad5b70e7e0527db2a627ad26616a8a2429plougher * filesystem. 4443c15812032991c98b33b5424b17bcd55fe3575plougher * 58d4404d1f63a558f4903eb8c939bd4306a805d0fplougher * Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 679df93becb68081effabebba3006c794be308598plougher * Phillip Lougher <phillip@lougher.demon.co.uk> 7443c15812032991c98b33b5424b17bcd55fe3575plougher * 8443c15812032991c98b33b5424b17bcd55fe3575plougher * This program is free software; you can redistribute it and/or 9443c15812032991c98b33b5424b17bcd55fe3575plougher * modify it under the terms of the GNU General Public License 10443c15812032991c98b33b5424b17bcd55fe3575plougher * as published by the Free Software Foundation; either version 2, 11443c15812032991c98b33b5424b17bcd55fe3575plougher * or (at your option) any later version. 12443c15812032991c98b33b5424b17bcd55fe3575plougher * 13443c15812032991c98b33b5424b17bcd55fe3575plougher * This program is distributed in the hope that it will be useful, 14443c15812032991c98b33b5424b17bcd55fe3575plougher * but WITHOUT ANY WARRANTY; without even the implied warranty of 15443c15812032991c98b33b5424b17bcd55fe3575plougher * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16443c15812032991c98b33b5424b17bcd55fe3575plougher * GNU General Public License for more details. 17443c15812032991c98b33b5424b17bcd55fe3575plougher * 18443c15812032991c98b33b5424b17bcd55fe3575plougher * You should have received a copy of the GNU General Public License 19443c15812032991c98b33b5424b17bcd55fe3575plougher * along with this program; if not, write to the Free Software 20443c15812032991c98b33b5424b17bcd55fe3575plougher * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 21443c15812032991c98b33b5424b17bcd55fe3575plougher * 22ed5124f016834932db2c63d60d259d846171c216plougher * unsquashfs.c 23443c15812032991c98b33b5424b17bcd55fe3575plougher */ 24443c15812032991c98b33b5424b17bcd55fe3575plougher 25ed5124f016834932db2c63d60d259d846171c216plougher#include "unsquashfs.h" 266490378e5b5e8dc058daf28423a7465699a6ba7bplougher#include "squashfs_swap.h" 276490378e5b5e8dc058daf28423a7465699a6ba7bplougher#include "squashfs_compat.h" 286490378e5b5e8dc058daf28423a7465699a6ba7bplougher#include "read_fs.h" 29efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher#include "compressor.h" 302ef25cb004cc6995bd36f781863aa844fe8c358dplougher#include "xattr.h" 318888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 32cdebd2b8ae4b1ac39eefb5f0c556f0d2e3dc3d24plougher#include <sys/sysinfo.h> 332ef25cb004cc6995bd36f781863aa844fe8c358dplougher#include <sys/types.h> 34cdebd2b8ae4b1ac39eefb5f0c556f0d2e3dc3d24plougher 358888b61f8ff4680247d10f7e5beb2ff35e8c867dplougherstruct cache *fragment_cache, *data_cache; 368888b61f8ff4680247d10f7e5beb2ff35e8c867dplougherstruct queue *to_reader, *to_deflate, *to_writer, *from_writer; 378888b61f8ff4680247d10f7e5beb2ff35e8c867dplougherpthread_t *thread, *deflator_thread; 388888b61f8ff4680247d10f7e5beb2ff35e8c867dplougherpthread_mutex_t fragment_mutex; 398888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 408888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher/* user options that control parallelisation */ 418888b61f8ff4680247d10f7e5beb2ff35e8c867dplougherint processors = -1; 428888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 436490378e5b5e8dc058daf28423a7465699a6ba7bplougherstruct super_block sBlk; 4402bc3bcabf2b219f63961f07293b83629948f026ploughersquashfs_operations s_ops; 45efda88fd6fbb19543a86b5f8d15b437bba8c4674plougherstruct compressor *comp; 4602bc3bcabf2b219f63961f07293b83629948f026plougher 479dd8c7a7c2983faeb60c5e5791c3bef2cbbba088plougherint bytes = 0, swap, file_count = 0, dir_count = 0, sym_count = 0, 489dd8c7a7c2983faeb60c5e5791c3bef2cbbba088plougher dev_count = 0, fifo_count = 0; 49443c15812032991c98b33b5424b17bcd55fe3575plougherchar *inode_table = NULL, *directory_table = NULL; 50443c15812032991c98b33b5424b17bcd55fe3575plougherstruct hash_table_entry *inode_table_hash[65536], *directory_table_hash[65536]; 51443c15812032991c98b33b5424b17bcd55fe3575plougherint fd; 52443c15812032991c98b33b5424b17bcd55fe3575plougherunsigned int *uid_table, *guid_table; 53443c15812032991c98b33b5424b17bcd55fe3575plougherunsigned int cached_frag = SQUASHFS_INVALID_FRAG; 54443c15812032991c98b33b5424b17bcd55fe3575plougherchar *fragment_data; 55443c15812032991c98b33b5424b17bcd55fe3575plougherchar *file_data; 56443c15812032991c98b33b5424b17bcd55fe3575plougherchar *data; 57443c15812032991c98b33b5424b17bcd55fe3575plougherunsigned int block_size; 58ae271cc93e3684d5314bcdc45b631e497ae43166plougherunsigned int block_log; 59d4204758f77acb5a371fa1487a755b76a05d5476plougherint lsonly = FALSE, info = FALSE, force = FALSE, short_ls = TRUE; 60d4204758f77acb5a371fa1487a755b76a05d5476plougherint use_regex = FALSE; 61443c15812032991c98b33b5424b17bcd55fe3575plougherchar **created_inode; 629dd8c7a7c2983faeb60c5e5791c3bef2cbbba088plougherint root_process; 63eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougherint columns; 64eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougherint rotate = 0; 651b42101056befe25b5f19d5b099e806a2ecee9cdplougherpthread_mutex_t screen_mutex; 66eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougherpthread_cond_t progress_wait; 671b42101056befe25b5f19d5b099e806a2ecee9cdplougherint progress = TRUE, progress_enabled = FALSE; 68eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougherunsigned int total_blocks = 0, total_files = 0, total_inodes = 0; 69eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougherunsigned int cur_blocks = 0; 70ed5124f016834932db2c63d60d259d846171c216plougherint inode_number = 1; 71443c15812032991c98b33b5424b17bcd55fe3575plougher 72476dcb48b24efff22caa970f000e151f1b28918dplougherint lookup_type[] = { 73476dcb48b24efff22caa970f000e151f1b28918dplougher 0, 74476dcb48b24efff22caa970f000e151f1b28918dplougher S_IFDIR, 75476dcb48b24efff22caa970f000e151f1b28918dplougher S_IFREG, 76476dcb48b24efff22caa970f000e151f1b28918dplougher S_IFLNK, 77476dcb48b24efff22caa970f000e151f1b28918dplougher S_IFBLK, 78476dcb48b24efff22caa970f000e151f1b28918dplougher S_IFCHR, 79476dcb48b24efff22caa970f000e151f1b28918dplougher S_IFIFO, 80476dcb48b24efff22caa970f000e151f1b28918dplougher S_IFSOCK, 81476dcb48b24efff22caa970f000e151f1b28918dplougher S_IFDIR, 82eabe4dbeaec52acc95278663d7a13da7384ef9baplougher S_IFREG, 83eabe4dbeaec52acc95278663d7a13da7384ef9baplougher S_IFLNK, 84eabe4dbeaec52acc95278663d7a13da7384ef9baplougher S_IFBLK, 85eabe4dbeaec52acc95278663d7a13da7384ef9baplougher S_IFCHR, 86eabe4dbeaec52acc95278663d7a13da7384ef9baplougher S_IFIFO, 87eabe4dbeaec52acc95278663d7a13da7384ef9baplougher S_IFSOCK 88476dcb48b24efff22caa970f000e151f1b28918dplougher}; 89476dcb48b24efff22caa970f000e151f1b28918dplougher 90476dcb48b24efff22caa970f000e151f1b28918dplougherstruct test table[] = { 91476dcb48b24efff22caa970f000e151f1b28918dplougher { S_IFMT, S_IFSOCK, 0, 's' }, 92476dcb48b24efff22caa970f000e151f1b28918dplougher { S_IFMT, S_IFLNK, 0, 'l' }, 93476dcb48b24efff22caa970f000e151f1b28918dplougher { S_IFMT, S_IFBLK, 0, 'b' }, 94476dcb48b24efff22caa970f000e151f1b28918dplougher { S_IFMT, S_IFDIR, 0, 'd' }, 95476dcb48b24efff22caa970f000e151f1b28918dplougher { S_IFMT, S_IFCHR, 0, 'c' }, 96476dcb48b24efff22caa970f000e151f1b28918dplougher { S_IFMT, S_IFIFO, 0, 'p' }, 97476dcb48b24efff22caa970f000e151f1b28918dplougher { S_IRUSR, S_IRUSR, 1, 'r' }, 98476dcb48b24efff22caa970f000e151f1b28918dplougher { S_IWUSR, S_IWUSR, 2, 'w' }, 99476dcb48b24efff22caa970f000e151f1b28918dplougher { S_IRGRP, S_IRGRP, 4, 'r' }, 100476dcb48b24efff22caa970f000e151f1b28918dplougher { S_IWGRP, S_IWGRP, 5, 'w' }, 101476dcb48b24efff22caa970f000e151f1b28918dplougher { S_IROTH, S_IROTH, 7, 'r' }, 102476dcb48b24efff22caa970f000e151f1b28918dplougher { S_IWOTH, S_IWOTH, 8, 'w' }, 103476dcb48b24efff22caa970f000e151f1b28918dplougher { S_IXUSR | S_ISUID, S_IXUSR | S_ISUID, 3, 's' }, 104476dcb48b24efff22caa970f000e151f1b28918dplougher { S_IXUSR | S_ISUID, S_ISUID, 3, 'S' }, 105476dcb48b24efff22caa970f000e151f1b28918dplougher { S_IXUSR | S_ISUID, S_IXUSR, 3, 'x' }, 106476dcb48b24efff22caa970f000e151f1b28918dplougher { S_IXGRP | S_ISGID, S_IXGRP | S_ISGID, 6, 's' }, 107476dcb48b24efff22caa970f000e151f1b28918dplougher { S_IXGRP | S_ISGID, S_ISGID, 6, 'S' }, 108476dcb48b24efff22caa970f000e151f1b28918dplougher { S_IXGRP | S_ISGID, S_IXGRP, 6, 'x' }, 109476dcb48b24efff22caa970f000e151f1b28918dplougher { S_IXOTH | S_ISVTX, S_IXOTH | S_ISVTX, 9, 't' }, 110476dcb48b24efff22caa970f000e151f1b28918dplougher { S_IXOTH | S_ISVTX, S_ISVTX, 9, 'T' }, 111476dcb48b24efff22caa970f000e151f1b28918dplougher { S_IXOTH | S_ISVTX, S_IXOTH, 9, 'x' }, 1128888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher { 0, 0, 0, 0} 1138888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher}; 1148888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 115eb35c81a4c4500aab9eeea2ba2271c88fe42732aploughervoid progress_bar(long long current, long long max, int columns); 116eb35c81a4c4500aab9eeea2ba2271c88fe42732aploughervoid update_progress_bar(); 117eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 118eb35c81a4c4500aab9eeea2ba2271c88fe42732aploughervoid sigwinch_handler() 119eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher{ 120eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher struct winsize winsize; 121eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 122eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher if(ioctl(1, TIOCGWINSZ, &winsize) == -1) { 123c27a3d72b339d80d38623a4ee5a42601338fb4c9plougher if(isatty(STDOUT_FILENO)) 124d4204758f77acb5a371fa1487a755b76a05d5476plougher ERROR("TIOCGWINSZ ioctl failed, defaulting to 80 " 125d4204758f77acb5a371fa1487a755b76a05d5476plougher "columns\n"); 126eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher columns = 80; 127eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher } else 128eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher columns = winsize.ws_col; 129eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher} 130eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 1318888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 1321b5f6c5145f284683a2628b73ab5f8a0e37dd7b4ploughervoid sigalrm_handler() 1331b5f6c5145f284683a2628b73ab5f8a0e37dd7b4plougher{ 1341b5f6c5145f284683a2628b73ab5f8a0e37dd7b4plougher rotate = (rotate + 1) % 4; 1351b5f6c5145f284683a2628b73ab5f8a0e37dd7b4plougher} 1361b5f6c5145f284683a2628b73ab5f8a0e37dd7b4plougher 1371b5f6c5145f284683a2628b73ab5f8a0e37dd7b4plougher 1388888b61f8ff4680247d10f7e5beb2ff35e8c867dplougherstruct queue *queue_init(int size) 1398888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher{ 1408888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher struct queue *queue = malloc(sizeof(struct queue)); 1418888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 1428888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if(queue == NULL) 14362b2d7649ad84234afd928a43f9a2c1612eef361plougher EXIT_UNSQUASH("Out of memory in queue_init\n"); 1448888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 1450e0cc6f6dccdc5460c292b0a5accc1184a07f3f5plougher if((queue->data = malloc(sizeof(void *) * (size + 1))) == NULL) 1460e0cc6f6dccdc5460c292b0a5accc1184a07f3f5plougher EXIT_UNSQUASH("Out of memory in queue_init\n"); 1478888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 1488888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher queue->size = size + 1; 1498888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher queue->readp = queue->writep = 0; 1508888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_mutex_init(&queue->mutex, NULL); 1518888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_cond_init(&queue->empty, NULL); 1528888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_cond_init(&queue->full, NULL); 1538888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 1548888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher return queue; 1558888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher} 1568888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 1578888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 1588888b61f8ff4680247d10f7e5beb2ff35e8c867dploughervoid queue_put(struct queue *queue, void *data) 1598888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher{ 1608888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher int nextp; 1618888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 1628888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_mutex_lock(&queue->mutex); 1638888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 1648888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher while((nextp = (queue->writep + 1) % queue->size) == queue->readp) 1658888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_cond_wait(&queue->full, &queue->mutex); 1668888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 1678888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher queue->data[queue->writep] = data; 1688888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher queue->writep = nextp; 1698888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_cond_signal(&queue->empty); 1708888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_mutex_unlock(&queue->mutex); 1718888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher} 1728888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 1738888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 1748888b61f8ff4680247d10f7e5beb2ff35e8c867dploughervoid *queue_get(struct queue *queue) 1758888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher{ 1768888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher void *data; 1778888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_mutex_lock(&queue->mutex); 1788888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 1798888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher while(queue->readp == queue->writep) 1808888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_cond_wait(&queue->empty, &queue->mutex); 1818888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 1828888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher data = queue->data[queue->readp]; 1838888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher queue->readp = (queue->readp + 1) % queue->size; 1848888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_cond_signal(&queue->full); 1858888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_mutex_unlock(&queue->mutex); 1868888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 1878888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher return data; 1888888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher} 1898888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 1908888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 1918888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher/* Called with the cache mutex held */ 1928888b61f8ff4680247d10f7e5beb2ff35e8c867dploughervoid insert_hash_table(struct cache *cache, struct cache_entry *entry) 1938888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher{ 1948888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher int hash = CALCULATE_HASH(entry->block); 1958888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 1968888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->hash_next = cache->hash_table[hash]; 1978888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher cache->hash_table[hash] = entry; 1988888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->hash_prev = NULL; 1998888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if(entry->hash_next) 2008888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->hash_next->hash_prev = entry; 2018888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher} 2028888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 2038888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 2048888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher/* Called with the cache mutex held */ 2058888b61f8ff4680247d10f7e5beb2ff35e8c867dploughervoid remove_hash_table(struct cache *cache, struct cache_entry *entry) 2068888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher{ 2078888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if(entry->hash_prev) 2088888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->hash_prev->hash_next = entry->hash_next; 2098888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher else 210c435240f52b78b0ef498118727ba8dad186db26bplougher cache->hash_table[CALCULATE_HASH(entry->block)] = 211c435240f52b78b0ef498118727ba8dad186db26bplougher entry->hash_next; 2128888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if(entry->hash_next) 2138888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->hash_next->hash_prev = entry->hash_prev; 2148888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 2158888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->hash_prev = entry->hash_next = NULL; 2168888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher} 2178888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 2188888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 2198888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher/* Called with the cache mutex held */ 2208888b61f8ff4680247d10f7e5beb2ff35e8c867dploughervoid insert_free_list(struct cache *cache, struct cache_entry *entry) 2218888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher{ 2228888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if(cache->free_list) { 2238888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->free_next = cache->free_list; 2248888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->free_prev = cache->free_list->free_prev; 2258888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher cache->free_list->free_prev->free_next = entry; 2268888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher cache->free_list->free_prev = entry; 2278888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } else { 2288888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher cache->free_list = entry; 2298888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->free_prev = entry->free_next = entry; 2308888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } 2318888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher} 2328888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 2338888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 2348888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher/* Called with the cache mutex held */ 2358888b61f8ff4680247d10f7e5beb2ff35e8c867dploughervoid remove_free_list(struct cache *cache, struct cache_entry *entry) 2368888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher{ 2378888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if(entry->free_prev == NULL && entry->free_next == NULL) 2388888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher /* not in free list */ 2398888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher return; 240222e49e257bccb10c0e608f071778f26fce28f01plougher else if(entry->free_prev == entry && entry->free_next == entry) { 2418888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher /* only this entry in the free list */ 2428888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher cache->free_list = NULL; 2438888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } else { 2448888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher /* more than one entry in the free list */ 2458888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->free_next->free_prev = entry->free_prev; 2468888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->free_prev->free_next = entry->free_next; 2478888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if(cache->free_list == entry) 2488888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher cache->free_list = entry->free_next; 2498888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } 2508888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 2518888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->free_prev = entry->free_next = NULL; 2528888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher} 2538888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 2548888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 2558888b61f8ff4680247d10f7e5beb2ff35e8c867dplougherstruct cache *cache_init(int buffer_size, int max_buffers) 2568888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher{ 2578888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher struct cache *cache = malloc(sizeof(struct cache)); 2588888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 2598888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if(cache == NULL) 260360570574b8f7786728d91d5fe4a0a4aa291fa03plougher EXIT_UNSQUASH("Out of memory in cache_init\n"); 2618888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 2628888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher cache->max_buffers = max_buffers; 2638888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher cache->buffer_size = buffer_size; 2648888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher cache->count = 0; 2658888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher cache->free_list = NULL; 2668888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher memset(cache->hash_table, 0, sizeof(struct cache_entry *) * 65536); 2678888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher cache->wait_free = FALSE; 2688888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher cache->wait_pending = FALSE; 2698888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_mutex_init(&cache->mutex, NULL); 2708888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_cond_init(&cache->wait_for_free, NULL); 2718888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_cond_init(&cache->wait_for_pending, NULL); 2728888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 2738888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher return cache; 2748888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher} 2758888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 2768888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 2778888b61f8ff4680247d10f7e5beb2ff35e8c867dplougherstruct cache_entry *cache_get(struct cache *cache, long long block, int size) 2788888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher{ 279d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 280d4204758f77acb5a371fa1487a755b76a05d5476plougher * Get a block out of the cache. If the block isn't in the cache 281d4204758f77acb5a371fa1487a755b76a05d5476plougher * it is added and queued to the reader() and deflate() threads for 282c435240f52b78b0ef498118727ba8dad186db26bplougher * reading off disk and decompression. The cache grows until max_blocks 283c435240f52b78b0ef498118727ba8dad186db26bplougher * is reached, once this occurs existing discarded blocks on the free 284c435240f52b78b0ef498118727ba8dad186db26bplougher * list are reused 285d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 2868888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher int hash = CALCULATE_HASH(block); 2878888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher struct cache_entry *entry; 2888888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 2898888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_mutex_lock(&cache->mutex); 2908888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 2918888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher for(entry = cache->hash_table[hash]; entry; entry = entry->hash_next) 2928888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if(entry->block == block) 2938888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher break; 2948888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 2958888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if(entry) { 296d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 2970a0d045642e8e413f90b770539193d3fd1522786plougher * found the block in the cache, increment used count and 2988888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher * if necessary remove from free list so it won't disappear 2998888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher */ 3008888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->used ++; 3018888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher remove_free_list(cache, entry); 3028888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_mutex_unlock(&cache->mutex); 3038888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } else { 304d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 305d4204758f77acb5a371fa1487a755b76a05d5476plougher * not in the cache 306d4204758f77acb5a371fa1487a755b76a05d5476plougher * 307d4204758f77acb5a371fa1487a755b76a05d5476plougher * first try to allocate new block 308d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 3098888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if(cache->count < cache->max_buffers) { 3108888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry = malloc(sizeof(struct cache_entry)); 3118888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if(entry == NULL) 3127227416360c2f249a0783dffef6725ad03b61c99plougher EXIT_UNSQUASH("Out of memory in cache_get\n"); 3138888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->data = malloc(cache->buffer_size); 3147227416360c2f249a0783dffef6725ad03b61c99plougher if(entry->data == NULL) 3157227416360c2f249a0783dffef6725ad03b61c99plougher EXIT_UNSQUASH("Out of memory in cache_get\n"); 3168888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->cache = cache; 3178888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->free_prev = entry->free_next = NULL; 3188888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher cache->count ++; 3198888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } else { 320d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 321d4204758f77acb5a371fa1487a755b76a05d5476plougher * try to get from free list 322d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 3238888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher while(cache->free_list == NULL) { 3248888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher cache->wait_free = TRUE; 325d4204758f77acb5a371fa1487a755b76a05d5476plougher pthread_cond_wait(&cache->wait_for_free, 326d4204758f77acb5a371fa1487a755b76a05d5476plougher &cache->mutex); 3278888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } 3288888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry = cache->free_list; 3298888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher remove_free_list(cache, entry); 3308888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher remove_hash_table(cache, entry); 3318888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } 3328888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 333d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 334d4204758f77acb5a371fa1487a755b76a05d5476plougher * initialise block and insert into the hash table 335d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 3368888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->block = block; 3378888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->size = size; 3388888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->used = 1; 3398888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->error = FALSE; 3408888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->pending = TRUE; 3418888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher insert_hash_table(cache, entry); 3428888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 343d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 344c435240f52b78b0ef498118727ba8dad186db26bplougher * queue to read thread to read and ultimately (via the 345c435240f52b78b0ef498118727ba8dad186db26bplougher * decompress threads) decompress the buffer 3468888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher */ 3478888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_mutex_unlock(&cache->mutex); 3488888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher queue_put(to_reader, entry); 3498888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } 3508888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 3518888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher return entry; 3528888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher} 3538888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 3548888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 3558888b61f8ff4680247d10f7e5beb2ff35e8c867dploughervoid cache_block_ready(struct cache_entry *entry, int error) 3568888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher{ 357d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 358d4204758f77acb5a371fa1487a755b76a05d5476plougher * mark cache entry as being complete, reading and (if necessary) 3598888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher * decompression has taken place, and the buffer is valid for use. 3608888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher * If an error occurs reading or decompressing, the buffer also 361d4204758f77acb5a371fa1487a755b76a05d5476plougher * becomes ready but with an error... 362d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 3638888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_mutex_lock(&entry->cache->mutex); 3648888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->pending = FALSE; 3658888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->error = error; 3668888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 367d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 368c435240f52b78b0ef498118727ba8dad186db26bplougher * if the wait_pending flag is set, one or more threads may be waiting 369c435240f52b78b0ef498118727ba8dad186db26bplougher * on this buffer 370d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 3718888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if(entry->cache->wait_pending) { 3728888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->cache->wait_pending = FALSE; 3738888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_cond_broadcast(&entry->cache->wait_for_pending); 3748888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } 3758888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 3768888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_mutex_unlock(&entry->cache->mutex); 3778888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher} 3788888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 3798888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 3808888b61f8ff4680247d10f7e5beb2ff35e8c867dploughervoid cache_block_wait(struct cache_entry *entry) 3818888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher{ 382d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 383d4204758f77acb5a371fa1487a755b76a05d5476plougher * wait for this cache entry to become ready, when reading and (if 384d4204758f77acb5a371fa1487a755b76a05d5476plougher * necessary) decompression has taken place 385d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 3868888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_mutex_lock(&entry->cache->mutex); 3878888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 3888888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher while(entry->pending) { 3898888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->cache->wait_pending = TRUE; 390d4204758f77acb5a371fa1487a755b76a05d5476plougher pthread_cond_wait(&entry->cache->wait_for_pending, 391d4204758f77acb5a371fa1487a755b76a05d5476plougher &entry->cache->mutex); 3928888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } 3938888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 3948888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_mutex_unlock(&entry->cache->mutex); 3958888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher} 3968888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 3978888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 3988888b61f8ff4680247d10f7e5beb2ff35e8c867dploughervoid cache_block_put(struct cache_entry *entry) 3998888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher{ 400d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 401d4204758f77acb5a371fa1487a755b76a05d5476plougher * finished with this cache entry, once the usage count reaches zero it 402c435240f52b78b0ef498118727ba8dad186db26bplougher * can be reused and is put onto the free list. As it remains 403c435240f52b78b0ef498118727ba8dad186db26bplougher * accessible via the hash table it can be found getting a new lease of 404c435240f52b78b0ef498118727ba8dad186db26bplougher * life before it is reused. 405d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 4068888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_mutex_lock(&entry->cache->mutex); 4078888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 4088888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->used --; 4098888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if(entry->used == 0) { 4108888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher insert_free_list(entry->cache, entry); 4118888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 412d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 413c435240f52b78b0ef498118727ba8dad186db26bplougher * if the wait_free flag is set, one or more threads may be 414c435240f52b78b0ef498118727ba8dad186db26bplougher * waiting on this buffer 415d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 4168888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if(entry->cache->wait_free) { 4178888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->cache->wait_free = FALSE; 4188888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_cond_broadcast(&entry->cache->wait_for_free); 4198888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } 4208888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } 4218888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 4228888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_mutex_unlock(&entry->cache->mutex); 4238888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher} 424476dcb48b24efff22caa970f000e151f1b28918dplougher 425476dcb48b24efff22caa970f000e151f1b28918dplougher 426476dcb48b24efff22caa970f000e151f1b28918dplougherchar *modestr(char *str, int mode) 427476dcb48b24efff22caa970f000e151f1b28918dplougher{ 428476dcb48b24efff22caa970f000e151f1b28918dplougher int i; 429476dcb48b24efff22caa970f000e151f1b28918dplougher 430476dcb48b24efff22caa970f000e151f1b28918dplougher strcpy(str, "----------"); 431476dcb48b24efff22caa970f000e151f1b28918dplougher 432476dcb48b24efff22caa970f000e151f1b28918dplougher for(i = 0; table[i].mask != 0; i++) { 433476dcb48b24efff22caa970f000e151f1b28918dplougher if((mode & table[i].mask) == table[i].value) 434476dcb48b24efff22caa970f000e151f1b28918dplougher str[table[i].position] = table[i].mode; 435476dcb48b24efff22caa970f000e151f1b28918dplougher } 436476dcb48b24efff22caa970f000e151f1b28918dplougher 437476dcb48b24efff22caa970f000e151f1b28918dplougher return str; 438476dcb48b24efff22caa970f000e151f1b28918dplougher} 439476dcb48b24efff22caa970f000e151f1b28918dplougher 440476dcb48b24efff22caa970f000e151f1b28918dplougher 4413edfa57b6a463f7d441d995559143f4861d62e98plougher#define TOTALCHARS 25 4426f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougherint print_filename(char *pathname, struct inode *inode) 443476dcb48b24efff22caa970f000e151f1b28918dplougher{ 4446f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher char str[11], dummy[100], dummy2[100], *userstr, *groupstr; 4456f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher int padchars; 446476dcb48b24efff22caa970f000e151f1b28918dplougher struct passwd *user; 447476dcb48b24efff22caa970f000e151f1b28918dplougher struct group *group; 44888facddfd83e48a907b82210ddccbb4f84d80aecplougher struct tm *t; 449476dcb48b24efff22caa970f000e151f1b28918dplougher 450476dcb48b24efff22caa970f000e151f1b28918dplougher if(short_ls) { 451476dcb48b24efff22caa970f000e151f1b28918dplougher printf("%s\n", pathname); 452476dcb48b24efff22caa970f000e151f1b28918dplougher return 1; 453476dcb48b24efff22caa970f000e151f1b28918dplougher } 454476dcb48b24efff22caa970f000e151f1b28918dplougher 4556f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher if((user = getpwuid(inode->uid)) == NULL) { 4566f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher sprintf(dummy, "%d", inode->uid); 4573edfa57b6a463f7d441d995559143f4861d62e98plougher userstr = dummy; 4583edfa57b6a463f7d441d995559143f4861d62e98plougher } else 4593edfa57b6a463f7d441d995559143f4861d62e98plougher userstr = user->pw_name; 4603edfa57b6a463f7d441d995559143f4861d62e98plougher 4616f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher if((group = getgrgid(inode->gid)) == NULL) { 4626f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher sprintf(dummy2, "%d", inode->gid); 4633edfa57b6a463f7d441d995559143f4861d62e98plougher groupstr = dummy2; 4643edfa57b6a463f7d441d995559143f4861d62e98plougher } else 4653edfa57b6a463f7d441d995559143f4861d62e98plougher groupstr = group->gr_name; 4663edfa57b6a463f7d441d995559143f4861d62e98plougher 4676f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher printf("%s %s/%s ", modestr(str, inode->mode), userstr, groupstr); 4683edfa57b6a463f7d441d995559143f4861d62e98plougher 4696f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher switch(inode->mode & S_IFMT) { 4703edfa57b6a463f7d441d995559143f4861d62e98plougher case S_IFREG: 4713edfa57b6a463f7d441d995559143f4861d62e98plougher case S_IFDIR: 4723edfa57b6a463f7d441d995559143f4861d62e98plougher case S_IFSOCK: 4733edfa57b6a463f7d441d995559143f4861d62e98plougher case S_IFIFO: 4743edfa57b6a463f7d441d995559143f4861d62e98plougher case S_IFLNK: 475c435240f52b78b0ef498118727ba8dad186db26bplougher padchars = TOTALCHARS - strlen(userstr) - 476c435240f52b78b0ef498118727ba8dad186db26bplougher strlen(groupstr); 4773edfa57b6a463f7d441d995559143f4861d62e98plougher 478c435240f52b78b0ef498118727ba8dad186db26bplougher printf("%*lld ", padchars > 0 ? padchars : 0, 479c435240f52b78b0ef498118727ba8dad186db26bplougher inode->data); 4803edfa57b6a463f7d441d995559143f4861d62e98plougher break; 4813edfa57b6a463f7d441d995559143f4861d62e98plougher case S_IFCHR: 4823edfa57b6a463f7d441d995559143f4861d62e98plougher case S_IFBLK: 483c435240f52b78b0ef498118727ba8dad186db26bplougher padchars = TOTALCHARS - strlen(userstr) - 484c435240f52b78b0ef498118727ba8dad186db26bplougher strlen(groupstr) - 7; 4853edfa57b6a463f7d441d995559143f4861d62e98plougher 486d4204758f77acb5a371fa1487a755b76a05d5476plougher printf("%*s%3d,%3d ", padchars > 0 ? padchars : 0, " ", 487c435240f52b78b0ef498118727ba8dad186db26bplougher (int) inode->data >> 8, (int) inode->data & 488c435240f52b78b0ef498118727ba8dad186db26bplougher 0xff); 4893edfa57b6a463f7d441d995559143f4861d62e98plougher break; 4903edfa57b6a463f7d441d995559143f4861d62e98plougher } 491476dcb48b24efff22caa970f000e151f1b28918dplougher 4926f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher t = localtime(&inode->time); 49388facddfd83e48a907b82210ddccbb4f84d80aecplougher 494d4204758f77acb5a371fa1487a755b76a05d5476plougher printf("%d-%02d-%02d %02d:%02d %s", t->tm_year + 1900, t->tm_mon + 1, 495d4204758f77acb5a371fa1487a755b76a05d5476plougher t->tm_mday, t->tm_hour, t->tm_min, pathname); 4966f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher if((inode->mode & S_IFMT) == S_IFLNK) 4976f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher printf(" -> %s", inode->symlink); 4983edfa57b6a463f7d441d995559143f4861d62e98plougher printf("\n"); 4993edfa57b6a463f7d441d995559143f4861d62e98plougher 500476dcb48b24efff22caa970f000e151f1b28918dplougher return 1; 501476dcb48b24efff22caa970f000e151f1b28918dplougher} 502476dcb48b24efff22caa970f000e151f1b28918dplougher 503443c15812032991c98b33b5424b17bcd55fe3575plougher 504e3206fad5b70e7e0527db2a627ad26616a8a2429ploughervoid add_entry(struct hash_table_entry *hash_table[], long long start, 505e3206fad5b70e7e0527db2a627ad26616a8a2429plougher int bytes) 506443c15812032991c98b33b5424b17bcd55fe3575plougher{ 507443c15812032991c98b33b5424b17bcd55fe3575plougher int hash = CALCULATE_HASH(start); 508443c15812032991c98b33b5424b17bcd55fe3575plougher struct hash_table_entry *hash_table_entry; 509443c15812032991c98b33b5424b17bcd55fe3575plougher 5104a39fa82d4614c18d2977be7898d78d20ba01a49plougher if((hash_table_entry = malloc(sizeof(struct hash_table_entry))) == NULL) 5114a39fa82d4614c18d2977be7898d78d20ba01a49plougher EXIT_UNSQUASH("Out of memory in add_entry\n"); 512443c15812032991c98b33b5424b17bcd55fe3575plougher 513443c15812032991c98b33b5424b17bcd55fe3575plougher hash_table_entry->start = start; 514443c15812032991c98b33b5424b17bcd55fe3575plougher hash_table_entry->bytes = bytes; 515443c15812032991c98b33b5424b17bcd55fe3575plougher hash_table_entry->next = hash_table[hash]; 516443c15812032991c98b33b5424b17bcd55fe3575plougher hash_table[hash] = hash_table_entry; 517443c15812032991c98b33b5424b17bcd55fe3575plougher} 518443c15812032991c98b33b5424b17bcd55fe3575plougher 519443c15812032991c98b33b5424b17bcd55fe3575plougher 520f404f4914fdb272a70e18664e8963d793cc90f44plougherint lookup_entry(struct hash_table_entry *hash_table[], long long start) 521443c15812032991c98b33b5424b17bcd55fe3575plougher{ 522443c15812032991c98b33b5424b17bcd55fe3575plougher int hash = CALCULATE_HASH(start); 523443c15812032991c98b33b5424b17bcd55fe3575plougher struct hash_table_entry *hash_table_entry; 524443c15812032991c98b33b5424b17bcd55fe3575plougher 5259dd8c7a7c2983faeb60c5e5791c3bef2cbbba088plougher for(hash_table_entry = hash_table[hash]; hash_table_entry; 5269dd8c7a7c2983faeb60c5e5791c3bef2cbbba088plougher hash_table_entry = hash_table_entry->next) 5277a5df5d70c02bdb5175a5b9301c2c9597a6a4937plougher 528443c15812032991c98b33b5424b17bcd55fe3575plougher if(hash_table_entry->start == start) 529443c15812032991c98b33b5424b17bcd55fe3575plougher return hash_table_entry->bytes; 530443c15812032991c98b33b5424b17bcd55fe3575plougher 531443c15812032991c98b33b5424b17bcd55fe3575plougher return -1; 532443c15812032991c98b33b5424b17bcd55fe3575plougher} 533443c15812032991c98b33b5424b17bcd55fe3575plougher 534443c15812032991c98b33b5424b17bcd55fe3575plougher 5353306cb2b54a60a32664617118336ac141e1471b6plougherint read_fs_bytes(int fd, long long byte, int bytes, void *buff) 536443c15812032991c98b33b5424b17bcd55fe3575plougher{ 537443c15812032991c98b33b5424b17bcd55fe3575plougher off_t off = byte; 538d7f3de3408089ce187d8bc26f6072730c77628daplougher int res, count; 539443c15812032991c98b33b5424b17bcd55fe3575plougher 540c435240f52b78b0ef498118727ba8dad186db26bplougher TRACE("read_bytes: reading from position 0x%llx, bytes %d\n", byte, 541c435240f52b78b0ef498118727ba8dad186db26bplougher bytes); 542fe3ca0609d02d78bcd11637c1220b2ff428f466aplougher 543443c15812032991c98b33b5424b17bcd55fe3575plougher if(lseek(fd, off, SEEK_SET) == -1) { 5445d415c6659faaa7a69c9baa7175610d889747142plougher ERROR("Lseek failed because %s\n", strerror(errno)); 545443c15812032991c98b33b5424b17bcd55fe3575plougher return FALSE; 546443c15812032991c98b33b5424b17bcd55fe3575plougher } 547443c15812032991c98b33b5424b17bcd55fe3575plougher 548d7f3de3408089ce187d8bc26f6072730c77628daplougher for(count = 0; count < bytes; count += res) { 549d7f3de3408089ce187d8bc26f6072730c77628daplougher res = read(fd, buff + count, bytes - count); 550d7f3de3408089ce187d8bc26f6072730c77628daplougher if(res < 1) { 551d7f3de3408089ce187d8bc26f6072730c77628daplougher if(res == 0) { 552e3206fad5b70e7e0527db2a627ad26616a8a2429plougher ERROR("Read on filesystem failed because " 553e3206fad5b70e7e0527db2a627ad26616a8a2429plougher "EOF\n"); 554d7f3de3408089ce187d8bc26f6072730c77628daplougher return FALSE; 555d7f3de3408089ce187d8bc26f6072730c77628daplougher } else if(errno != EINTR) { 556d7f3de3408089ce187d8bc26f6072730c77628daplougher ERROR("Read on filesystem failed because %s\n", 557d7f3de3408089ce187d8bc26f6072730c77628daplougher strerror(errno)); 558d7f3de3408089ce187d8bc26f6072730c77628daplougher return FALSE; 559d7f3de3408089ce187d8bc26f6072730c77628daplougher } else 560d7f3de3408089ce187d8bc26f6072730c77628daplougher res = 0; 561d7f3de3408089ce187d8bc26f6072730c77628daplougher } 562443c15812032991c98b33b5424b17bcd55fe3575plougher } 563443c15812032991c98b33b5424b17bcd55fe3575plougher 564443c15812032991c98b33b5424b17bcd55fe3575plougher return TRUE; 565443c15812032991c98b33b5424b17bcd55fe3575plougher} 566443c15812032991c98b33b5424b17bcd55fe3575plougher 567443c15812032991c98b33b5424b17bcd55fe3575plougher 568923b301e304637fd5e587eb05a6f44558abae2bdplougherint read_block(int fd, long long start, long long *next, void *block) 569443c15812032991c98b33b5424b17bcd55fe3575plougher{ 570443c15812032991c98b33b5424b17bcd55fe3575plougher unsigned short c_byte; 571443c15812032991c98b33b5424b17bcd55fe3575plougher int offset = 2; 572443c15812032991c98b33b5424b17bcd55fe3575plougher 573443c15812032991c98b33b5424b17bcd55fe3575plougher if(swap) { 574923b301e304637fd5e587eb05a6f44558abae2bdplougher if(read_fs_bytes(fd, start, 2, &c_byte) == FALSE) 575fe3ca0609d02d78bcd11637c1220b2ff428f466aplougher goto failed; 576923b301e304637fd5e587eb05a6f44558abae2bdplougher c_byte = (c_byte >> 8) | ((c_byte & 0xff) << 8); 577443c15812032991c98b33b5424b17bcd55fe3575plougher } else 5783306cb2b54a60a32664617118336ac141e1471b6plougher if(read_fs_bytes(fd, start, 2, &c_byte) == FALSE) 579fe3ca0609d02d78bcd11637c1220b2ff428f466aplougher goto failed; 580fe3ca0609d02d78bcd11637c1220b2ff428f466aplougher 581d4204758f77acb5a371fa1487a755b76a05d5476plougher TRACE("read_block: block @0x%llx, %d %s bytes\n", start, 582d4204758f77acb5a371fa1487a755b76a05d5476plougher SQUASHFS_COMPRESSED_SIZE(c_byte), SQUASHFS_COMPRESSED(c_byte) ? 583d4204758f77acb5a371fa1487a755b76a05d5476plougher "compressed" : "uncompressed"); 584443c15812032991c98b33b5424b17bcd55fe3575plougher 58527c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher if(SQUASHFS_CHECK_DATA(sBlk.s.flags)) 586443c15812032991c98b33b5424b17bcd55fe3575plougher offset = 3; 587443c15812032991c98b33b5424b17bcd55fe3575plougher if(SQUASHFS_COMPRESSED(c_byte)) { 588443c15812032991c98b33b5424b17bcd55fe3575plougher char buffer[SQUASHFS_METADATA_SIZE]; 589efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher int error, res; 590443c15812032991c98b33b5424b17bcd55fe3575plougher 591443c15812032991c98b33b5424b17bcd55fe3575plougher c_byte = SQUASHFS_COMPRESSED_SIZE(c_byte); 59286561909d9ca51a4e4ce4efcfea30b41d1d08275plougher if(read_fs_bytes(fd, start + offset, c_byte, buffer) == FALSE) 593fe3ca0609d02d78bcd11637c1220b2ff428f466aplougher goto failed; 594443c15812032991c98b33b5424b17bcd55fe3575plougher 595efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher res = comp->uncompress(block, buffer, c_byte, 596efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher SQUASHFS_METADATA_SIZE, &error); 597efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher 598efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher if(res == -1) { 599efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher ERROR("%s uncompress failed with error code %d\n", 600efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher comp->name, error); 601fe3ca0609d02d78bcd11637c1220b2ff428f466aplougher goto failed; 602443c15812032991c98b33b5424b17bcd55fe3575plougher } 603443c15812032991c98b33b5424b17bcd55fe3575plougher if(next) 604443c15812032991c98b33b5424b17bcd55fe3575plougher *next = start + offset + c_byte; 605efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher return res; 606443c15812032991c98b33b5424b17bcd55fe3575plougher } else { 607443c15812032991c98b33b5424b17bcd55fe3575plougher c_byte = SQUASHFS_COMPRESSED_SIZE(c_byte); 60886561909d9ca51a4e4ce4efcfea30b41d1d08275plougher if(read_fs_bytes(fd, start + offset, c_byte, block) == FALSE) 609fe3ca0609d02d78bcd11637c1220b2ff428f466aplougher goto failed; 610443c15812032991c98b33b5424b17bcd55fe3575plougher if(next) 611443c15812032991c98b33b5424b17bcd55fe3575plougher *next = start + offset + c_byte; 612443c15812032991c98b33b5424b17bcd55fe3575plougher return c_byte; 613443c15812032991c98b33b5424b17bcd55fe3575plougher } 614fe3ca0609d02d78bcd11637c1220b2ff428f466aplougher 615fe3ca0609d02d78bcd11637c1220b2ff428f466aplougherfailed: 61668ba26e4a9ee62315d5d2bf5c23bfbc02347b646plougher ERROR("read_block: failed to read block @0x%llx\n", start); 617fe3ca0609d02d78bcd11637c1220b2ff428f466aplougher return FALSE; 618443c15812032991c98b33b5424b17bcd55fe3575plougher} 619443c15812032991c98b33b5424b17bcd55fe3575plougher 620443c15812032991c98b33b5424b17bcd55fe3575plougher 621443c15812032991c98b33b5424b17bcd55fe3575plougherint read_data_block(long long start, unsigned int size, char *block) 622443c15812032991c98b33b5424b17bcd55fe3575plougher{ 623efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher int error, res; 624443c15812032991c98b33b5424b17bcd55fe3575plougher int c_byte = SQUASHFS_COMPRESSED_SIZE_BLOCK(size); 625443c15812032991c98b33b5424b17bcd55fe3575plougher 626d4204758f77acb5a371fa1487a755b76a05d5476plougher TRACE("read_data_block: block @0x%llx, %d %s bytes\n", start, 627c6ab26edb0c0da6b276281960d9c8748a70886feplougher c_byte, SQUASHFS_COMPRESSED_BLOCK(size) ? "compressed" : 628c435240f52b78b0ef498118727ba8dad186db26bplougher "uncompressed"); 629fe3ca0609d02d78bcd11637c1220b2ff428f466aplougher 630443c15812032991c98b33b5424b17bcd55fe3575plougher if(SQUASHFS_COMPRESSED_BLOCK(size)) { 63186561909d9ca51a4e4ce4efcfea30b41d1d08275plougher if(read_fs_bytes(fd, start, c_byte, data) == FALSE) 63268ba26e4a9ee62315d5d2bf5c23bfbc02347b646plougher goto failed; 633443c15812032991c98b33b5424b17bcd55fe3575plougher 634efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher res = comp->uncompress(block, data, c_byte, block_size, &error); 635efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher 636efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher if(res == -1) { 637efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher ERROR("%s uncompress failed with error code %d\n", 638efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher comp->name, error); 63968ba26e4a9ee62315d5d2bf5c23bfbc02347b646plougher goto failed; 640443c15812032991c98b33b5424b17bcd55fe3575plougher } 641443c15812032991c98b33b5424b17bcd55fe3575plougher 642efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher return res; 643443c15812032991c98b33b5424b17bcd55fe3575plougher } else { 64486561909d9ca51a4e4ce4efcfea30b41d1d08275plougher if(read_fs_bytes(fd, start, c_byte, block) == FALSE) 64568ba26e4a9ee62315d5d2bf5c23bfbc02347b646plougher goto failed; 646443c15812032991c98b33b5424b17bcd55fe3575plougher 647443c15812032991c98b33b5424b17bcd55fe3575plougher return c_byte; 648443c15812032991c98b33b5424b17bcd55fe3575plougher } 64968ba26e4a9ee62315d5d2bf5c23bfbc02347b646plougher 65068ba26e4a9ee62315d5d2bf5c23bfbc02347b646plougherfailed: 651d4204758f77acb5a371fa1487a755b76a05d5476plougher ERROR("read_data_block: failed to read block @0x%llx, size %d\n", start, 652c6ab26edb0c0da6b276281960d9c8748a70886feplougher c_byte); 65368ba26e4a9ee62315d5d2bf5c23bfbc02347b646plougher return FALSE; 654443c15812032991c98b33b5424b17bcd55fe3575plougher} 655443c15812032991c98b33b5424b17bcd55fe3575plougher 656443c15812032991c98b33b5424b17bcd55fe3575plougher 65702bc3bcabf2b219f63961f07293b83629948f026ploughervoid uncompress_inode_table(long long start, long long end) 658443c15812032991c98b33b5424b17bcd55fe3575plougher{ 659443c15812032991c98b33b5424b17bcd55fe3575plougher int size = 0, bytes = 0, res; 660443c15812032991c98b33b5424b17bcd55fe3575plougher 66141da3230b2ac91a73f9190676f66b3d80b21c270plougher TRACE("uncompress_inode_table: start %lld, end %lld\n", start, end); 662443c15812032991c98b33b5424b17bcd55fe3575plougher while(start < end) { 663c1a81ec0ca6911533aec74e690f55b7d0a7131a4plougher if(size - bytes < SQUASHFS_METADATA_SIZE) { 664c1a81ec0ca6911533aec74e690f55b7d0a7131a4plougher inode_table = realloc(inode_table, size += 665c1a81ec0ca6911533aec74e690f55b7d0a7131a4plougher SQUASHFS_METADATA_SIZE); 666c1a81ec0ca6911533aec74e690f55b7d0a7131a4plougher if(inode_table == NULL) 667c1a81ec0ca6911533aec74e690f55b7d0a7131a4plougher EXIT_UNSQUASH("Out of memory in " 668c1a81ec0ca6911533aec74e690f55b7d0a7131a4plougher "uncompress_inode_table"); 669c1a81ec0ca6911533aec74e690f55b7d0a7131a4plougher } 670443c15812032991c98b33b5424b17bcd55fe3575plougher TRACE("uncompress_inode_table: reading block 0x%llx\n", start); 671443c15812032991c98b33b5424b17bcd55fe3575plougher add_entry(inode_table_hash, start, bytes); 672176b325add10f6b9846f771f75d8543364d4c121plougher res = read_block(fd, start, &start, inode_table + bytes); 673c435240f52b78b0ef498118727ba8dad186db26bplougher if(res == 0) { 674443c15812032991c98b33b5424b17bcd55fe3575plougher free(inode_table); 675d4204758f77acb5a371fa1487a755b76a05d5476plougher EXIT_UNSQUASH("uncompress_inode_table: failed to read " 676d4204758f77acb5a371fa1487a755b76a05d5476plougher "block \n"); 677443c15812032991c98b33b5424b17bcd55fe3575plougher } 678443c15812032991c98b33b5424b17bcd55fe3575plougher bytes += res; 679443c15812032991c98b33b5424b17bcd55fe3575plougher } 680443c15812032991c98b33b5424b17bcd55fe3575plougher} 681443c15812032991c98b33b5424b17bcd55fe3575plougher 682443c15812032991c98b33b5424b17bcd55fe3575plougher 683d4204758f77acb5a371fa1487a755b76a05d5476plougherint set_attributes(char *pathname, int mode, uid_t uid, gid_t guid, time_t time, 684fdbbd7d7e595a227e0c259fa4afc872098c9e471plougher unsigned int xattr, unsigned int set_mode) 685443c15812032991c98b33b5424b17bcd55fe3575plougher{ 6866f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher struct utimbuf times = { time, time }; 687443c15812032991c98b33b5424b17bcd55fe3575plougher 6882ef25cb004cc6995bd36f781863aa844fe8c358dplougher write_xattr(pathname, xattr); 6892ef25cb004cc6995bd36f781863aa844fe8c358dplougher 690443c15812032991c98b33b5424b17bcd55fe3575plougher if(utime(pathname, ×) == -1) { 691d4204758f77acb5a371fa1487a755b76a05d5476plougher ERROR("set_attributes: failed to set time on %s, because %s\n", 692d4204758f77acb5a371fa1487a755b76a05d5476plougher pathname, strerror(errno)); 693443c15812032991c98b33b5424b17bcd55fe3575plougher return FALSE; 694443c15812032991c98b33b5424b17bcd55fe3575plougher } 695443c15812032991c98b33b5424b17bcd55fe3575plougher 6969dd8c7a7c2983faeb60c5e5791c3bef2cbbba088plougher if(root_process) { 6976f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher if(chown(pathname, uid, guid) == -1) { 698c435240f52b78b0ef498118727ba8dad186db26bplougher ERROR("set_attributes: failed to change uid and gids " 699c435240f52b78b0ef498118727ba8dad186db26bplougher "on %s, because %s\n", pathname, 700c435240f52b78b0ef498118727ba8dad186db26bplougher strerror(errno)); 701443c15812032991c98b33b5424b17bcd55fe3575plougher return FALSE; 702443c15812032991c98b33b5424b17bcd55fe3575plougher } 7039dd8c7a7c2983faeb60c5e5791c3bef2cbbba088plougher } else 7049dd8c7a7c2983faeb60c5e5791c3bef2cbbba088plougher mode &= ~07000; 7059dd8c7a7c2983faeb60c5e5791c3bef2cbbba088plougher 7069dd8c7a7c2983faeb60c5e5791c3bef2cbbba088plougher if((set_mode || (mode & 07000)) && chmod(pathname, (mode_t) mode) == -1) { 707d4204758f77acb5a371fa1487a755b76a05d5476plougher ERROR("set_attributes: failed to change mode %s, because %s\n", 708d4204758f77acb5a371fa1487a755b76a05d5476plougher pathname, strerror(errno)); 7099dd8c7a7c2983faeb60c5e5791c3bef2cbbba088plougher return FALSE; 710443c15812032991c98b33b5424b17bcd55fe3575plougher } 711443c15812032991c98b33b5424b17bcd55fe3575plougher 712443c15812032991c98b33b5424b17bcd55fe3575plougher return TRUE; 713443c15812032991c98b33b5424b17bcd55fe3575plougher} 714443c15812032991c98b33b5424b17bcd55fe3575plougher 715443c15812032991c98b33b5424b17bcd55fe3575plougher 7161c5d8b0e7c8e68373eeb28311f9f9ccae2d9c617plougherint write_bytes(int fd, char *buff, int bytes) 7171c5d8b0e7c8e68373eeb28311f9f9ccae2d9c617plougher{ 7181c5d8b0e7c8e68373eeb28311f9f9ccae2d9c617plougher int res, count; 7191c5d8b0e7c8e68373eeb28311f9f9ccae2d9c617plougher 7201c5d8b0e7c8e68373eeb28311f9f9ccae2d9c617plougher for(count = 0; count < bytes; count += res) { 7211c5d8b0e7c8e68373eeb28311f9f9ccae2d9c617plougher res = write(fd, buff + count, bytes - count); 7221c5d8b0e7c8e68373eeb28311f9f9ccae2d9c617plougher if(res == -1) { 7231c5d8b0e7c8e68373eeb28311f9f9ccae2d9c617plougher if(errno != EINTR) { 724c435240f52b78b0ef498118727ba8dad186db26bplougher ERROR("Write on output file failed because " 725c435240f52b78b0ef498118727ba8dad186db26bplougher "%s\n", strerror(errno)); 7261c5d8b0e7c8e68373eeb28311f9f9ccae2d9c617plougher return -1; 7271c5d8b0e7c8e68373eeb28311f9f9ccae2d9c617plougher } 7281c5d8b0e7c8e68373eeb28311f9f9ccae2d9c617plougher res = 0; 7291c5d8b0e7c8e68373eeb28311f9f9ccae2d9c617plougher } 7301c5d8b0e7c8e68373eeb28311f9f9ccae2d9c617plougher } 7311c5d8b0e7c8e68373eeb28311f9f9ccae2d9c617plougher 7321c5d8b0e7c8e68373eeb28311f9f9ccae2d9c617plougher return 0; 7331c5d8b0e7c8e68373eeb28311f9f9ccae2d9c617plougher} 7341c5d8b0e7c8e68373eeb28311f9f9ccae2d9c617plougher 7351c5d8b0e7c8e68373eeb28311f9f9ccae2d9c617plougher 736b9cee889506e674726856035dba52d5e1cceeb99plougherint lseek_broken = FALSE; 737c6e684fd0562ef5339ea2c0b3ce09aa6149708cdplougherchar *zero_data = NULL; 738b9cee889506e674726856035dba52d5e1cceeb99plougher 739c6e684fd0562ef5339ea2c0b3ce09aa6149708cdplougherint write_block(int file_fd, char *buffer, int size, int hole, int sparse) 740b9cee889506e674726856035dba52d5e1cceeb99plougher{ 741b9cee889506e674726856035dba52d5e1cceeb99plougher off_t off = hole; 742b9cee889506e674726856035dba52d5e1cceeb99plougher 743b9cee889506e674726856035dba52d5e1cceeb99plougher if(hole) { 744c6e684fd0562ef5339ea2c0b3ce09aa6149708cdplougher if(sparse && lseek_broken == FALSE) { 745c6e684fd0562ef5339ea2c0b3ce09aa6149708cdplougher int error = lseek(file_fd, off, SEEK_CUR); 746c6e684fd0562ef5339ea2c0b3ce09aa6149708cdplougher if(error == -1) 747c6e684fd0562ef5339ea2c0b3ce09aa6149708cdplougher /* failed to seek beyond end of file */ 748c6e684fd0562ef5339ea2c0b3ce09aa6149708cdplougher lseek_broken = TRUE; 749c6e684fd0562ef5339ea2c0b3ce09aa6149708cdplougher } 750c6e684fd0562ef5339ea2c0b3ce09aa6149708cdplougher 751c6e684fd0562ef5339ea2c0b3ce09aa6149708cdplougher if((sparse == FALSE || lseek_broken) && zero_data == NULL) { 752b9cee889506e674726856035dba52d5e1cceeb99plougher if((zero_data = malloc(block_size)) == NULL) 753c435240f52b78b0ef498118727ba8dad186db26bplougher EXIT_UNSQUASH("write_block: failed to alloc " 754c435240f52b78b0ef498118727ba8dad186db26bplougher "zero data block\n"); 755b9cee889506e674726856035dba52d5e1cceeb99plougher memset(zero_data, 0, block_size); 756b9cee889506e674726856035dba52d5e1cceeb99plougher } 757c6e684fd0562ef5339ea2c0b3ce09aa6149708cdplougher 758c6e684fd0562ef5339ea2c0b3ce09aa6149708cdplougher if(sparse == FALSE || lseek_broken) { 759b9cee889506e674726856035dba52d5e1cceeb99plougher int blocks = (hole + block_size -1) / block_size; 760b9cee889506e674726856035dba52d5e1cceeb99plougher int avail_bytes, i; 761b9cee889506e674726856035dba52d5e1cceeb99plougher for(i = 0; i < blocks; i++, hole -= avail_bytes) { 762d4204758f77acb5a371fa1487a755b76a05d5476plougher avail_bytes = hole > block_size ? block_size : 763d4204758f77acb5a371fa1487a755b76a05d5476plougher hole; 764d4204758f77acb5a371fa1487a755b76a05d5476plougher if(write_bytes(file_fd, zero_data, avail_bytes) 765d4204758f77acb5a371fa1487a755b76a05d5476plougher == -1) 766b9cee889506e674726856035dba52d5e1cceeb99plougher goto failure; 767b9cee889506e674726856035dba52d5e1cceeb99plougher } 768b9cee889506e674726856035dba52d5e1cceeb99plougher } 769b9cee889506e674726856035dba52d5e1cceeb99plougher } 770b9cee889506e674726856035dba52d5e1cceeb99plougher 7711c5d8b0e7c8e68373eeb28311f9f9ccae2d9c617plougher if(write_bytes(file_fd, buffer, size) == -1) 772b9cee889506e674726856035dba52d5e1cceeb99plougher goto failure; 773b9cee889506e674726856035dba52d5e1cceeb99plougher 774b9cee889506e674726856035dba52d5e1cceeb99plougher return TRUE; 775b9cee889506e674726856035dba52d5e1cceeb99plougher 776b9cee889506e674726856035dba52d5e1cceeb99plougherfailure: 777b9cee889506e674726856035dba52d5e1cceeb99plougher return FALSE; 778b9cee889506e674726856035dba52d5e1cceeb99plougher} 779b9cee889506e674726856035dba52d5e1cceeb99plougher 7808888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 78179df93becb68081effabebba3006c794be308598plougherint write_file(struct inode *inode, char *pathname) 782443c15812032991c98b33b5424b17bcd55fe3575plougher{ 7838888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher unsigned int file_fd, i; 784f9c72b137336d5c1d4bdf2792f2bc5142713676bplougher unsigned int *block_list; 78579df93becb68081effabebba3006c794be308598plougher int file_end = inode->data / block_size; 78679df93becb68081effabebba3006c794be308598plougher long long start = inode->start; 7878888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher struct squashfs_file *file; 788443c15812032991c98b33b5424b17bcd55fe3575plougher 78979df93becb68081effabebba3006c794be308598plougher TRACE("write_file: regular file, blocks %d\n", inode->blocks); 790443c15812032991c98b33b5424b17bcd55fe3575plougher 791d4204758f77acb5a371fa1487a755b76a05d5476plougher file_fd = open(pathname, O_CREAT | O_WRONLY | (force ? O_TRUNC : 0), 792d4204758f77acb5a371fa1487a755b76a05d5476plougher (mode_t) inode->mode & 0777); 793d4204758f77acb5a371fa1487a755b76a05d5476plougher if(file_fd == -1) { 794d4204758f77acb5a371fa1487a755b76a05d5476plougher ERROR("write_file: failed to create file %s, because %s\n", 795d4204758f77acb5a371fa1487a755b76a05d5476plougher pathname, strerror(errno)); 796443c15812032991c98b33b5424b17bcd55fe3575plougher return FALSE; 797443c15812032991c98b33b5424b17bcd55fe3575plougher } 798443c15812032991c98b33b5424b17bcd55fe3575plougher 79979df93becb68081effabebba3006c794be308598plougher if((block_list = malloc(inode->blocks * sizeof(unsigned int))) == NULL) 8008888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher EXIT_UNSQUASH("write_file: unable to malloc block list\n"); 801443c15812032991c98b33b5424b17bcd55fe3575plougher 80279df93becb68081effabebba3006c794be308598plougher s_ops.read_block_list(block_list, inode->block_ptr, inode->blocks); 803443c15812032991c98b33b5424b17bcd55fe3575plougher 8048888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if((file = malloc(sizeof(struct squashfs_file))) == NULL) 8058888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher EXIT_UNSQUASH("write_file: unable to malloc file\n"); 806443c15812032991c98b33b5424b17bcd55fe3575plougher 807d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 808d4204758f77acb5a371fa1487a755b76a05d5476plougher * the writer thread is queued a squashfs_file structure describing the 809c435240f52b78b0ef498118727ba8dad186db26bplougher * file. If the file has one or more blocks or a fragments they are 810c435240f52b78b0ef498118727ba8dad186db26bplougher * queued separately (references to blocks in the cache). 811d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 8128888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher file->fd = file_fd; 81379df93becb68081effabebba3006c794be308598plougher file->file_size = inode->data; 81479df93becb68081effabebba3006c794be308598plougher file->mode = inode->mode; 81579df93becb68081effabebba3006c794be308598plougher file->gid = inode->gid; 81679df93becb68081effabebba3006c794be308598plougher file->uid = inode->uid; 81779df93becb68081effabebba3006c794be308598plougher file->time = inode->time; 81879df93becb68081effabebba3006c794be308598plougher file->pathname = strdup(pathname); 81979df93becb68081effabebba3006c794be308598plougher file->blocks = inode->blocks + (inode->frag_bytes > 0); 8207f6692575a1b1c8d7d55afac647b72b84b79e378plougher file->sparse = inode->sparse; 821fdbbd7d7e595a227e0c259fa4afc872098c9e471plougher file->xattr = inode->xattr; 8228888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher queue_put(to_writer, file); 823443c15812032991c98b33b5424b17bcd55fe3575plougher 82479df93becb68081effabebba3006c794be308598plougher for(i = 0; i < inode->blocks; i++) { 8258888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher int c_byte = SQUASHFS_COMPRESSED_SIZE_BLOCK(block_list[i]); 8268372232d2460411adaa2299c32a0a88665e44902plougher struct file_entry *block = malloc(sizeof(struct file_entry)); 8278888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 8288888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if(block == NULL) 8298888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher EXIT_UNSQUASH("write_file: unable to malloc file\n"); 8308888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher block->offset = 0; 831d4204758f77acb5a371fa1487a755b76a05d5476plougher block->size = i == file_end ? inode->data & (block_size - 1) : 832d4204758f77acb5a371fa1487a755b76a05d5476plougher block_size; 8338888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if(block_list[i] == 0) /* sparse file */ 8348888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher block->buffer = NULL; 8358888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher else { 836d4204758f77acb5a371fa1487a755b76a05d5476plougher block->buffer = cache_get(data_cache, start, 837d4204758f77acb5a371fa1487a755b76a05d5476plougher block_list[i]); 8388888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher start += c_byte; 839443c15812032991c98b33b5424b17bcd55fe3575plougher } 8408888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher queue_put(to_writer, block); 841443c15812032991c98b33b5424b17bcd55fe3575plougher } 842443c15812032991c98b33b5424b17bcd55fe3575plougher 84379df93becb68081effabebba3006c794be308598plougher if(inode->frag_bytes) { 8448888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher int size; 8458888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher long long start; 8468372232d2460411adaa2299c32a0a88665e44902plougher struct file_entry *block = malloc(sizeof(struct file_entry)); 8478888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 8488888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if(block == NULL) 8498888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher EXIT_UNSQUASH("write_file: unable to malloc file\n"); 85079df93becb68081effabebba3006c794be308598plougher s_ops.read_fragment(inode->fragment, &start, &size); 8518888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher block->buffer = cache_get(fragment_cache, start, size); 85279df93becb68081effabebba3006c794be308598plougher block->offset = inode->offset; 85379df93becb68081effabebba3006c794be308598plougher block->size = inode->frag_bytes; 8548888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher queue_put(to_writer, block); 855b9cee889506e674726856035dba52d5e1cceeb99plougher } 856b9cee889506e674726856035dba52d5e1cceeb99plougher 857b9cee889506e674726856035dba52d5e1cceeb99plougher free(block_list); 858443c15812032991c98b33b5424b17bcd55fe3575plougher return TRUE; 859443c15812032991c98b33b5424b17bcd55fe3575plougher} 860476dcb48b24efff22caa970f000e151f1b28918dplougher 861476dcb48b24efff22caa970f000e151f1b28918dplougher 8626f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougherint create_inode(char *pathname, struct inode *i) 863443c15812032991c98b33b5424b17bcd55fe3575plougher{ 8646f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher TRACE("create_inode: pathname %s\n", pathname); 865443c15812032991c98b33b5424b17bcd55fe3575plougher 8666f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher if(created_inode[i->inode_number - 1]) { 867443c15812032991c98b33b5424b17bcd55fe3575plougher TRACE("create_inode: hard link\n"); 8686013a30bd39550decc2546a47e5168e57bfcfde8plougher if(force) 8696013a30bd39550decc2546a47e5168e57bfcfde8plougher unlink(pathname); 8706013a30bd39550decc2546a47e5168e57bfcfde8plougher 8716f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher if(link(created_inode[i->inode_number - 1], pathname) == -1) { 872c435240f52b78b0ef498118727ba8dad186db26bplougher ERROR("create_inode: failed to create hardlink, " 873c435240f52b78b0ef498118727ba8dad186db26bplougher "because %s\n", strerror(errno)); 874443c15812032991c98b33b5424b17bcd55fe3575plougher return FALSE; 875443c15812032991c98b33b5424b17bcd55fe3575plougher } 876443c15812032991c98b33b5424b17bcd55fe3575plougher 877443c15812032991c98b33b5424b17bcd55fe3575plougher return TRUE; 878443c15812032991c98b33b5424b17bcd55fe3575plougher } 879443c15812032991c98b33b5424b17bcd55fe3575plougher 8806f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher switch(i->type) { 8816f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher case SQUASHFS_FILE_TYPE: 8826f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher case SQUASHFS_LREG_TYPE: 883c435240f52b78b0ef498118727ba8dad186db26bplougher TRACE("create_inode: regular file, file_size %lld, " 884c435240f52b78b0ef498118727ba8dad186db26bplougher "blocks %d\n", i->data, i->blocks); 885443c15812032991c98b33b5424b17bcd55fe3575plougher 88679df93becb68081effabebba3006c794be308598plougher if(write_file(i, pathname)) 887443c15812032991c98b33b5424b17bcd55fe3575plougher file_count ++; 888443c15812032991c98b33b5424b17bcd55fe3575plougher break; 8896f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher case SQUASHFS_SYMLINK_TYPE: 89099ec5405b480bf852a0d9eed20693b750ed68943plougher case SQUASHFS_LSYMLINK_TYPE: 891d4204758f77acb5a371fa1487a755b76a05d5476plougher TRACE("create_inode: symlink, symlink_size %lld\n", 892d4204758f77acb5a371fa1487a755b76a05d5476plougher i->data); 893443c15812032991c98b33b5424b17bcd55fe3575plougher 894a52d4c1b3b62c5bd1c63c392a8365afcebbf5b78plougher if(force) 895a52d4c1b3b62c5bd1c63c392a8365afcebbf5b78plougher unlink(pathname); 896a52d4c1b3b62c5bd1c63c392a8365afcebbf5b78plougher 8976f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher if(symlink(i->symlink, pathname) == -1) { 898c435240f52b78b0ef498118727ba8dad186db26bplougher ERROR("create_inode: failed to create symlink " 899c435240f52b78b0ef498118727ba8dad186db26bplougher "%s, because %s\n", pathname, 900c435240f52b78b0ef498118727ba8dad186db26bplougher strerror(errno)); 901443c15812032991c98b33b5424b17bcd55fe3575plougher break; 902443c15812032991c98b33b5424b17bcd55fe3575plougher } 903443c15812032991c98b33b5424b17bcd55fe3575plougher 9042ef25cb004cc6995bd36f781863aa844fe8c358dplougher write_xattr(pathname, i->xattr); 9052ef25cb004cc6995bd36f781863aa844fe8c358dplougher 9069dd8c7a7c2983faeb60c5e5791c3bef2cbbba088plougher if(root_process) { 9076f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher if(lchown(pathname, i->uid, i->gid) == -1) 908c435240f52b78b0ef498118727ba8dad186db26bplougher ERROR("create_inode: failed to change " 909c435240f52b78b0ef498118727ba8dad186db26bplougher "uid and gids on %s, because " 910c435240f52b78b0ef498118727ba8dad186db26bplougher "%s\n", pathname, 911c435240f52b78b0ef498118727ba8dad186db26bplougher strerror(errno)); 912443c15812032991c98b33b5424b17bcd55fe3575plougher } 913443c15812032991c98b33b5424b17bcd55fe3575plougher 914443c15812032991c98b33b5424b17bcd55fe3575plougher sym_count ++; 915443c15812032991c98b33b5424b17bcd55fe3575plougher break; 916443c15812032991c98b33b5424b17bcd55fe3575plougher case SQUASHFS_BLKDEV_TYPE: 91799ec5405b480bf852a0d9eed20693b750ed68943plougher case SQUASHFS_CHRDEV_TYPE: 91899ec5405b480bf852a0d9eed20693b750ed68943plougher case SQUASHFS_LBLKDEV_TYPE: 91999ec5405b480bf852a0d9eed20693b750ed68943plougher case SQUASHFS_LCHRDEV_TYPE: { 9206f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher int chrdev = i->type == SQUASHFS_CHRDEV_TYPE; 921545404219cdd79c1e06ac7d0698d02a15240c4c3plougher TRACE("create_inode: dev, rdev 0x%llx\n", i->data); 922443c15812032991c98b33b5424b17bcd55fe3575plougher 9239dd8c7a7c2983faeb60c5e5791c3bef2cbbba088plougher if(root_process) { 924a52d4c1b3b62c5bd1c63c392a8365afcebbf5b78plougher if(force) 925a52d4c1b3b62c5bd1c63c392a8365afcebbf5b78plougher unlink(pathname); 926a52d4c1b3b62c5bd1c63c392a8365afcebbf5b78plougher 9276f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher if(mknod(pathname, chrdev ? S_IFCHR : S_IFBLK, 928d4204758f77acb5a371fa1487a755b76a05d5476plougher makedev((i->data >> 8) & 0xff, 929d4204758f77acb5a371fa1487a755b76a05d5476plougher i->data & 0xff)) == -1) { 930c435240f52b78b0ef498118727ba8dad186db26bplougher ERROR("create_inode: failed to create " 931c435240f52b78b0ef498118727ba8dad186db26bplougher "%s device %s, because %s\n", 932d4204758f77acb5a371fa1487a755b76a05d5476plougher chrdev ? "character" : "block", 933d4204758f77acb5a371fa1487a755b76a05d5476plougher pathname, strerror(errno)); 934443c15812032991c98b33b5424b17bcd55fe3575plougher break; 935443c15812032991c98b33b5424b17bcd55fe3575plougher } 936c435240f52b78b0ef498118727ba8dad186db26bplougher set_attributes(pathname, i->mode, i->uid, 937fdbbd7d7e595a227e0c259fa4afc872098c9e471plougher i->gid, i->time, i->xattr, TRUE); 938443c15812032991c98b33b5424b17bcd55fe3575plougher dev_count ++; 939443c15812032991c98b33b5424b17bcd55fe3575plougher } else 940c435240f52b78b0ef498118727ba8dad186db26bplougher ERROR("create_inode: could not create %s " 941c435240f52b78b0ef498118727ba8dad186db26bplougher "device %s, because you're not " 942c435240f52b78b0ef498118727ba8dad186db26bplougher "superuser!\n", chrdev ? "character" : 943c435240f52b78b0ef498118727ba8dad186db26bplougher "block", pathname); 944443c15812032991c98b33b5424b17bcd55fe3575plougher break; 9456f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher } 946443c15812032991c98b33b5424b17bcd55fe3575plougher case SQUASHFS_FIFO_TYPE: 94799ec5405b480bf852a0d9eed20693b750ed68943plougher case SQUASHFS_LFIFO_TYPE: 948443c15812032991c98b33b5424b17bcd55fe3575plougher TRACE("create_inode: fifo\n"); 949443c15812032991c98b33b5424b17bcd55fe3575plougher 950a52d4c1b3b62c5bd1c63c392a8365afcebbf5b78plougher if(force) 951a52d4c1b3b62c5bd1c63c392a8365afcebbf5b78plougher unlink(pathname); 952a52d4c1b3b62c5bd1c63c392a8365afcebbf5b78plougher 953443c15812032991c98b33b5424b17bcd55fe3575plougher if(mknod(pathname, S_IFIFO, 0) == -1) { 954d4204758f77acb5a371fa1487a755b76a05d5476plougher ERROR("create_inode: failed to create fifo %s, " 955d4204758f77acb5a371fa1487a755b76a05d5476plougher "because %s\n", pathname, 956d4204758f77acb5a371fa1487a755b76a05d5476plougher strerror(errno)); 957443c15812032991c98b33b5424b17bcd55fe3575plougher break; 958443c15812032991c98b33b5424b17bcd55fe3575plougher } 959c435240f52b78b0ef498118727ba8dad186db26bplougher set_attributes(pathname, i->mode, i->uid, i->gid, 960fdbbd7d7e595a227e0c259fa4afc872098c9e471plougher i->time, i->xattr, TRUE); 961443c15812032991c98b33b5424b17bcd55fe3575plougher fifo_count ++; 962443c15812032991c98b33b5424b17bcd55fe3575plougher break; 963443c15812032991c98b33b5424b17bcd55fe3575plougher case SQUASHFS_SOCKET_TYPE: 96499ec5405b480bf852a0d9eed20693b750ed68943plougher case SQUASHFS_LSOCKET_TYPE: 965443c15812032991c98b33b5424b17bcd55fe3575plougher TRACE("create_inode: socket\n"); 966443c15812032991c98b33b5424b17bcd55fe3575plougher ERROR("create_inode: socket %s ignored\n", pathname); 967443c15812032991c98b33b5424b17bcd55fe3575plougher break; 968443c15812032991c98b33b5424b17bcd55fe3575plougher default: 969d4204758f77acb5a371fa1487a755b76a05d5476plougher ERROR("Unknown inode type %d in create_inode_table!\n", 970d4204758f77acb5a371fa1487a755b76a05d5476plougher i->type); 971443c15812032991c98b33b5424b17bcd55fe3575plougher return FALSE; 972443c15812032991c98b33b5424b17bcd55fe3575plougher } 973fe3ca0609d02d78bcd11637c1220b2ff428f466aplougher 9746f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher created_inode[i->inode_number - 1] = strdup(pathname); 975443c15812032991c98b33b5424b17bcd55fe3575plougher 976443c15812032991c98b33b5424b17bcd55fe3575plougher return TRUE; 977443c15812032991c98b33b5424b17bcd55fe3575plougher} 978443c15812032991c98b33b5424b17bcd55fe3575plougher 979443c15812032991c98b33b5424b17bcd55fe3575plougher 98002bc3bcabf2b219f63961f07293b83629948f026ploughervoid uncompress_directory_table(long long start, long long end) 981443c15812032991c98b33b5424b17bcd55fe3575plougher{ 982443c15812032991c98b33b5424b17bcd55fe3575plougher int bytes = 0, size = 0, res; 983443c15812032991c98b33b5424b17bcd55fe3575plougher 98441da3230b2ac91a73f9190676f66b3d80b21c270plougher TRACE("uncompress_directory_table: start %lld, end %lld\n", start, end); 98541da3230b2ac91a73f9190676f66b3d80b21c270plougher 986443c15812032991c98b33b5424b17bcd55fe3575plougher while(start < end) { 98707d4d0dcafeb198a568f859b88034637e6e7a8e7plougher if(size - bytes < SQUASHFS_METADATA_SIZE) { 98807d4d0dcafeb198a568f859b88034637e6e7a8e7plougher directory_table = realloc(directory_table, size += 98907d4d0dcafeb198a568f859b88034637e6e7a8e7plougher SQUASHFS_METADATA_SIZE); 99007d4d0dcafeb198a568f859b88034637e6e7a8e7plougher if(directory_table == NULL) 99107d4d0dcafeb198a568f859b88034637e6e7a8e7plougher EXIT_UNSQUASH("Out of memory in " 99207d4d0dcafeb198a568f859b88034637e6e7a8e7plougher "uncompress_directory_table\n"); 99307d4d0dcafeb198a568f859b88034637e6e7a8e7plougher } 994c435240f52b78b0ef498118727ba8dad186db26bplougher TRACE("uncompress_directory_table: reading block 0x%llx\n", 995c435240f52b78b0ef498118727ba8dad186db26bplougher start); 996443c15812032991c98b33b5424b17bcd55fe3575plougher add_entry(directory_table_hash, start, bytes); 997176b325add10f6b9846f771f75d8543364d4c121plougher res = read_block(fd, start, &start, directory_table + bytes); 998c435240f52b78b0ef498118727ba8dad186db26bplougher if(res == 0) 999c435240f52b78b0ef498118727ba8dad186db26bplougher EXIT_UNSQUASH("uncompress_directory_table: failed to " 1000c435240f52b78b0ef498118727ba8dad186db26bplougher "read block\n"); 1001443c15812032991c98b33b5424b17bcd55fe3575plougher bytes += res; 1002443c15812032991c98b33b5424b17bcd55fe3575plougher } 1003443c15812032991c98b33b5424b17bcd55fe3575plougher} 1004443c15812032991c98b33b5424b17bcd55fe3575plougher 1005443c15812032991c98b33b5424b17bcd55fe3575plougher 10069dd8c7a7c2983faeb60c5e5791c3bef2cbbba088plougherint squashfs_readdir(struct dir *dir, char **name, unsigned int *start_block, 10079dd8c7a7c2983faeb60c5e5791c3bef2cbbba088plougherunsigned int *offset, unsigned int *type) 1008443c15812032991c98b33b5424b17bcd55fe3575plougher{ 1009443c15812032991c98b33b5424b17bcd55fe3575plougher if(dir->cur_entry == dir->dir_count) 1010443c15812032991c98b33b5424b17bcd55fe3575plougher return FALSE; 1011443c15812032991c98b33b5424b17bcd55fe3575plougher 1012443c15812032991c98b33b5424b17bcd55fe3575plougher *name = dir->dirs[dir->cur_entry].name; 1013443c15812032991c98b33b5424b17bcd55fe3575plougher *start_block = dir->dirs[dir->cur_entry].start_block; 1014443c15812032991c98b33b5424b17bcd55fe3575plougher *offset = dir->dirs[dir->cur_entry].offset; 1015443c15812032991c98b33b5424b17bcd55fe3575plougher *type = dir->dirs[dir->cur_entry].type; 1016443c15812032991c98b33b5424b17bcd55fe3575plougher dir->cur_entry ++; 1017443c15812032991c98b33b5424b17bcd55fe3575plougher 1018443c15812032991c98b33b5424b17bcd55fe3575plougher return TRUE; 1019443c15812032991c98b33b5424b17bcd55fe3575plougher} 1020443c15812032991c98b33b5424b17bcd55fe3575plougher 1021443c15812032991c98b33b5424b17bcd55fe3575plougher 1022443c15812032991c98b33b5424b17bcd55fe3575ploughervoid squashfs_closedir(struct dir *dir) 1023443c15812032991c98b33b5424b17bcd55fe3575plougher{ 1024443c15812032991c98b33b5424b17bcd55fe3575plougher free(dir->dirs); 1025443c15812032991c98b33b5424b17bcd55fe3575plougher free(dir); 1026443c15812032991c98b33b5424b17bcd55fe3575plougher} 1027443c15812032991c98b33b5424b17bcd55fe3575plougher 1028443c15812032991c98b33b5424b17bcd55fe3575plougher 1029b54566f5c433764830c29c83151691d0034de094plougherchar *get_component(char *target, char *targname) 1030b54566f5c433764830c29c83151691d0034de094plougher{ 1031b54566f5c433764830c29c83151691d0034de094plougher while(*target == '/') 10323cef656655723444fb1e2de1a001e6c2a54cf81erlougher target ++; 1033b54566f5c433764830c29c83151691d0034de094plougher 1034b54566f5c433764830c29c83151691d0034de094plougher while(*target != '/' && *target!= '\0') 1035b54566f5c433764830c29c83151691d0034de094plougher *targname ++ = *target ++; 1036b54566f5c433764830c29c83151691d0034de094plougher 1037b54566f5c433764830c29c83151691d0034de094plougher *targname = '\0'; 1038b54566f5c433764830c29c83151691d0034de094plougher 1039b54566f5c433764830c29c83151691d0034de094plougher return target; 1040b54566f5c433764830c29c83151691d0034de094plougher} 1041b54566f5c433764830c29c83151691d0034de094plougher 1042b54566f5c433764830c29c83151691d0034de094plougher 10436ee88c6b5da9f7b3ea88ab7481db126efa01c8f4ploughervoid free_path(struct pathname *paths) 10446ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher{ 10456ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher int i; 10466ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher 10476ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher for(i = 0; i < paths->names; i++) { 10486ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher if(paths->name[i].paths) 10496ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher free_path(paths->name[i].paths); 10506ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher free(paths->name[i].name); 10516ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher if(paths->name[i].preg) { 10526ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher regfree(paths->name[i].preg); 10536ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher free(paths->name[i].preg); 10546ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher } 10556ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher } 10566ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher 10576ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher free(paths); 10586ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher} 10596ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher 10606ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher 10614dba330d7b952f2f044d38e342e2ae3ea78910d6plougherstruct pathname *add_path(struct pathname *paths, char *target, char *alltarget) 1062b54566f5c433764830c29c83151691d0034de094plougher{ 106371add234b27054974d5e29f95b3fab3072792a62plougher char targname[1024]; 10644dba330d7b952f2f044d38e342e2ae3ea78910d6plougher int i, error; 106571add234b27054974d5e29f95b3fab3072792a62plougher 1066b7bb000643cd21c615a0366a7365441aa9c433f2plougher TRACE("add_path: adding \"%s\" extract file\n", target); 1067b7bb000643cd21c615a0366a7365441aa9c433f2plougher 106871add234b27054974d5e29f95b3fab3072792a62plougher target = get_component(target, targname); 106971add234b27054974d5e29f95b3fab3072792a62plougher 107071add234b27054974d5e29f95b3fab3072792a62plougher if(paths == NULL) { 10714dba330d7b952f2f044d38e342e2ae3ea78910d6plougher if((paths = malloc(sizeof(struct pathname))) == NULL) 10724dba330d7b952f2f044d38e342e2ae3ea78910d6plougher EXIT_UNSQUASH("failed to allocate paths\n"); 10734dba330d7b952f2f044d38e342e2ae3ea78910d6plougher 107471add234b27054974d5e29f95b3fab3072792a62plougher paths->names = 0; 107571add234b27054974d5e29f95b3fab3072792a62plougher paths->name = NULL; 107671add234b27054974d5e29f95b3fab3072792a62plougher } 107771add234b27054974d5e29f95b3fab3072792a62plougher 107871add234b27054974d5e29f95b3fab3072792a62plougher for(i = 0; i < paths->names; i++) 107971add234b27054974d5e29f95b3fab3072792a62plougher if(strcmp(paths->name[i].name, targname) == 0) 108071add234b27054974d5e29f95b3fab3072792a62plougher break; 108171add234b27054974d5e29f95b3fab3072792a62plougher 10826ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher if(i == paths->names) { 1083d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 1084d4204758f77acb5a371fa1487a755b76a05d5476plougher * allocate new name entry 1085d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 108671add234b27054974d5e29f95b3fab3072792a62plougher paths->names ++; 1087d4204758f77acb5a371fa1487a755b76a05d5476plougher paths->name = realloc(paths->name, (i + 1) * 1088d4204758f77acb5a371fa1487a755b76a05d5476plougher sizeof(struct path_entry)); 1089fd628227871aecb36bb2b4f9c7f664f731510cdeplougher if(paths->name == NULL) 1090fd628227871aecb36bb2b4f9c7f664f731510cdeplougher EXIT_UNSQUASH("Out of memory in add_path\n"); 109171add234b27054974d5e29f95b3fab3072792a62plougher paths->name[i].name = strdup(targname); 10926ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher paths->name[i].paths = NULL; 10934dba330d7b952f2f044d38e342e2ae3ea78910d6plougher if(use_regex) { 10944dba330d7b952f2f044d38e342e2ae3ea78910d6plougher paths->name[i].preg = malloc(sizeof(regex_t)); 10951f3cc42a2f77966d321a38d1709eba26f71104bdplougher if(paths->name[i].preg == NULL) 10961f3cc42a2f77966d321a38d1709eba26f71104bdplougher EXIT_UNSQUASH("Out of memory in add_path\n"); 1097d4204758f77acb5a371fa1487a755b76a05d5476plougher error = regcomp(paths->name[i].preg, targname, 1098d4204758f77acb5a371fa1487a755b76a05d5476plougher REG_EXTENDED|REG_NOSUB); 1099545404219cdd79c1e06ac7d0698d02a15240c4c3plougher if(error) { 11004dba330d7b952f2f044d38e342e2ae3ea78910d6plougher char str[1024]; 11014dba330d7b952f2f044d38e342e2ae3ea78910d6plougher 11024dba330d7b952f2f044d38e342e2ae3ea78910d6plougher regerror(error, paths->name[i].preg, str, 1024); 1103d4204758f77acb5a371fa1487a755b76a05d5476plougher EXIT_UNSQUASH("invalid regex %s in export %s, " 1104c435240f52b78b0ef498118727ba8dad186db26bplougher "because %s\n", targname, alltarget, 1105c435240f52b78b0ef498118727ba8dad186db26bplougher str); 11064dba330d7b952f2f044d38e342e2ae3ea78910d6plougher } 11074dba330d7b952f2f044d38e342e2ae3ea78910d6plougher } else 11084dba330d7b952f2f044d38e342e2ae3ea78910d6plougher paths->name[i].preg = NULL; 11096ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher 11106ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher if(target[0] == '\0') 1111d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 1112d4204758f77acb5a371fa1487a755b76a05d5476plougher * at leaf pathname component 1113d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 111471add234b27054974d5e29f95b3fab3072792a62plougher paths->name[i].paths = NULL; 111571add234b27054974d5e29f95b3fab3072792a62plougher else 1116d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 1117d4204758f77acb5a371fa1487a755b76a05d5476plougher * recurse adding child components 1118d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 11194dba330d7b952f2f044d38e342e2ae3ea78910d6plougher paths->name[i].paths = add_path(NULL, target, alltarget); 11206ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher } else { 1121d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 1122d4204758f77acb5a371fa1487a755b76a05d5476plougher * existing matching entry 1123d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 11246ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher if(paths->name[i].paths == NULL) { 1125d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 1126c435240f52b78b0ef498118727ba8dad186db26bplougher * No sub-directory which means this is the leaf 1127c435240f52b78b0ef498118727ba8dad186db26bplougher * component of a pre-existing extract which subsumes 1128c435240f52b78b0ef498118727ba8dad186db26bplougher * the extract currently being added, in which case stop 1129c435240f52b78b0ef498118727ba8dad186db26bplougher * adding components 1130d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 11316ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher } else if(target[0] == '\0') { 1132d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 1133d4204758f77acb5a371fa1487a755b76a05d5476plougher * at leaf pathname component and child components exist 1134c435240f52b78b0ef498118727ba8dad186db26bplougher * from more specific extracts, delete as they're 1135c435240f52b78b0ef498118727ba8dad186db26bplougher * subsumed by this extract 1136d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 11376ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher free_path(paths->name[i].paths); 11386ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher paths->name[i].paths = NULL; 11396ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher } else 1140d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 1141d4204758f77acb5a371fa1487a755b76a05d5476plougher * recurse adding child components 1142d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 11436ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher add_path(paths->name[i].paths, target, alltarget); 114471add234b27054974d5e29f95b3fab3072792a62plougher } 114571add234b27054974d5e29f95b3fab3072792a62plougher 114671add234b27054974d5e29f95b3fab3072792a62plougher return paths; 114771add234b27054974d5e29f95b3fab3072792a62plougher} 11486ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher 11496ee88c6b5da9f7b3ea88ab7481db126efa01c8f4plougher 1150a706f1b6bb48f288ecaf74e218ce20504bda52c6plougherstruct pathnames *init_subdir() 115171add234b27054974d5e29f95b3fab3072792a62plougher{ 11528372232d2460411adaa2299c32a0a88665e44902plougher struct pathnames *new = malloc(sizeof(struct pathnames)); 1153c5671cbe8dffaff7062ceb7b75f8d96c657a67b7plougher if(new == NULL) 1154c5671cbe8dffaff7062ceb7b75f8d96c657a67b7plougher EXIT_UNSQUASH("Out of memory in init_subdir\n"); 1155a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher new->count = 0; 1156a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher return new; 1157a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher} 1158a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher 1159a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher 1160a706f1b6bb48f288ecaf74e218ce20504bda52c6plougherstruct pathnames *add_subdir(struct pathnames *paths, struct pathname *path) 1161a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher{ 11623488d3bb3b89c394534ad2be909b661771a9581bplougher if(paths->count % PATHS_ALLOC_SIZE == 0) { 1163d4204758f77acb5a371fa1487a755b76a05d5476plougher paths = realloc(paths, sizeof(struct pathnames *) + 11643488d3bb3b89c394534ad2be909b661771a9581bplougher (paths->count + PATHS_ALLOC_SIZE) * 11653488d3bb3b89c394534ad2be909b661771a9581bplougher sizeof(struct pathname *)); 11663488d3bb3b89c394534ad2be909b661771a9581bplougher if(paths == NULL) 11673488d3bb3b89c394534ad2be909b661771a9581bplougher EXIT_UNSQUASH("Out of memory in add_subdir\n"); 11683488d3bb3b89c394534ad2be909b661771a9581bplougher } 1169a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher 1170a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher paths->path[paths->count++] = path; 1171a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher return paths; 1172a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher} 1173a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher 1174a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher 1175a706f1b6bb48f288ecaf74e218ce20504bda52c6ploughervoid free_subdir(struct pathnames *paths) 1176a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher{ 1177a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher free(paths); 1178a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher} 1179a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher 1180a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher 1181a706f1b6bb48f288ecaf74e218ce20504bda52c6plougherint matches(struct pathnames *paths, char *name, struct pathnames **new) 1182a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher{ 1183a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher int i, n; 118471add234b27054974d5e29f95b3fab3072792a62plougher 118571add234b27054974d5e29f95b3fab3072792a62plougher if(paths == NULL) { 118671add234b27054974d5e29f95b3fab3072792a62plougher *new = NULL; 1187b54566f5c433764830c29c83151691d0034de094plougher return TRUE; 118871add234b27054974d5e29f95b3fab3072792a62plougher } 118971add234b27054974d5e29f95b3fab3072792a62plougher 1190a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher *new = init_subdir(); 1191a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher 1192a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher for(n = 0; n < paths->count; n++) { 1193a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher struct pathname *path = paths->path[n]; 1194a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher for(i = 0; i < path->names; i++) { 1195a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher int match = use_regex ? 1196c435240f52b78b0ef498118727ba8dad186db26bplougher regexec(path->name[i].preg, name, (size_t) 0, 1197c435240f52b78b0ef498118727ba8dad186db26bplougher NULL, 0) == 0 : fnmatch(path->name[i].name, 1198c435240f52b78b0ef498118727ba8dad186db26bplougher name, FNM_PATHNAME|FNM_PERIOD|FNM_EXTMATCH) == 1199c435240f52b78b0ef498118727ba8dad186db26bplougher 0; 1200a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher if(match && path->name[i].paths == NULL) 1201d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 1202d4204758f77acb5a371fa1487a755b76a05d5476plougher * match on a leaf component, any subdirectories 1203c435240f52b78b0ef498118727ba8dad186db26bplougher * will implicitly match, therefore return an 1204c435240f52b78b0ef498118727ba8dad186db26bplougher * empty new search set 1205d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 1206a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher goto empty_set; 1207a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher 1208a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher if(match) 1209d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 1210d4204758f77acb5a371fa1487a755b76a05d5476plougher * match on a non-leaf component, add any 1211c435240f52b78b0ef498118727ba8dad186db26bplougher * subdirectories to the new set of 1212c435240f52b78b0ef498118727ba8dad186db26bplougher * subdirectories to scan for this name 1213d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 1214a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher *new = add_subdir(*new, path->name[i].paths); 1215a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher } 1216a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher } 1217b54566f5c433764830c29c83151691d0034de094plougher 1218a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher if((*new)->count == 0) { 1219d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 1220d4204758f77acb5a371fa1487a755b76a05d5476plougher * no matching names found, delete empty search set, and return 1221d4204758f77acb5a371fa1487a755b76a05d5476plougher * FALSE 1222d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 1223a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher free_subdir(*new); 1224a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher *new = NULL; 1225a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher return FALSE; 1226a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher } 1227a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher 1228d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 12290a0d045642e8e413f90b770539193d3fd1522786plougher * one or more matches with sub-directories found (no leaf matches), 12300a0d045642e8e413f90b770539193d3fd1522786plougher * return new search set and return TRUE 12310a0d045642e8e413f90b770539193d3fd1522786plougher */ 1232a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher return TRUE; 1233a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher 1234a706f1b6bb48f288ecaf74e218ce20504bda52c6plougherempty_set: 1235d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 1236d4204758f77acb5a371fa1487a755b76a05d5476plougher * found matching leaf exclude, return empty search set and return TRUE 1237d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 1238a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher free_subdir(*new); 1239a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher *new = NULL; 1240a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher return TRUE; 1241b54566f5c433764830c29c83151691d0034de094plougher} 1242b54566f5c433764830c29c83151691d0034de094plougher 1243b54566f5c433764830c29c83151691d0034de094plougher 1244b807ab3497c01a49fed6f9daafce3bfc599a9421ploughervoid pre_scan(char *parent_name, unsigned int start_block, unsigned int offset, 1245d4204758f77acb5a371fa1487a755b76a05d5476plougher struct pathnames *paths) 1246eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher{ 1247eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher unsigned int type; 1248eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher char *name, pathname[1024]; 1249eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher struct pathnames *new; 1250eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher struct inode *i; 1251eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher struct dir *dir = s_ops.squashfs_opendir(start_block, offset, &i); 1252eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 1253eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher while(squashfs_readdir(dir, &name, &start_block, &offset, &type)) { 1254eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher struct inode *i; 1255eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 1256d4204758f77acb5a371fa1487a755b76a05d5476plougher TRACE("pre_scan: name %s, start_block %d, offset %d, type %d\n", 1257d4204758f77acb5a371fa1487a755b76a05d5476plougher name, start_block, offset, type); 1258eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 1259eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher if(!matches(paths, name, &new)) 1260eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher continue; 1261eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 1262eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher strcat(strcat(strcpy(pathname, parent_name), "/"), name); 1263eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 1264eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher if(type == SQUASHFS_DIR_TYPE) 1265eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher pre_scan(parent_name, start_block, offset, new); 1266eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher else if(new == NULL) { 1267d4204758f77acb5a371fa1487a755b76a05d5476plougher if(type == SQUASHFS_FILE_TYPE || 1268d4204758f77acb5a371fa1487a755b76a05d5476plougher type == SQUASHFS_LREG_TYPE) { 1269312e50b7b8c9dd39577657bd3d79fcedf6e91a1bplougher i = s_ops.read_inode(start_block, offset); 1270eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher if(created_inode[i->inode_number - 1] == NULL) { 1271d4204758f77acb5a371fa1487a755b76a05d5476plougher created_inode[i->inode_number - 1] = 1272d4204758f77acb5a371fa1487a755b76a05d5476plougher (char *) i; 1273d4204758f77acb5a371fa1487a755b76a05d5476plougher total_blocks += (i->data + 1274d4204758f77acb5a371fa1487a755b76a05d5476plougher (block_size - 1)) >> block_log; 1275eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher } 1276eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher total_files ++; 1277eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher } 1278eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher total_inodes ++; 1279eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher } 1280eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 1281eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher free_subdir(new); 1282eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher } 1283eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 1284eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher squashfs_closedir(dir); 1285eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher} 1286eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 1287eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 1288a2cff53655359b044ea88baa76cb16d1c8f44d2aploughervoid dir_scan(char *parent_name, unsigned int start_block, unsigned int offset, 1289d4204758f77acb5a371fa1487a755b76a05d5476plougher struct pathnames *paths) 1290443c15812032991c98b33b5424b17bcd55fe3575plougher{ 1291443c15812032991c98b33b5424b17bcd55fe3575plougher unsigned int type; 1292443c15812032991c98b33b5424b17bcd55fe3575plougher char *name, pathname[1024]; 1293a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher struct pathnames *new; 1294eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher struct inode *i; 1295eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher struct dir *dir = s_ops.squashfs_opendir(start_block, offset, &i); 1296443c15812032991c98b33b5424b17bcd55fe3575plougher 1297eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher if(lsonly || info) 1298eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher print_filename(parent_name, i); 1299eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 1300d4204758f77acb5a371fa1487a755b76a05d5476plougher if(!lsonly && mkdir(parent_name, (mode_t) dir->mode) == -1 && 1301a2cff53655359b044ea88baa76cb16d1c8f44d2aplougher (!force || errno != EEXIST)) 1302d4204758f77acb5a371fa1487a755b76a05d5476plougher ERROR("dir_scan: failed to open directory %s, because %s\n", 1303d4204758f77acb5a371fa1487a755b76a05d5476plougher parent_name, strerror(errno)); 1304443c15812032991c98b33b5424b17bcd55fe3575plougher 1305443c15812032991c98b33b5424b17bcd55fe3575plougher while(squashfs_readdir(dir, &name, &start_block, &offset, &type)) { 1306d4204758f77acb5a371fa1487a755b76a05d5476plougher TRACE("dir_scan: name %s, start_block %d, offset %d, type %d\n", 1307d4204758f77acb5a371fa1487a755b76a05d5476plougher name, start_block, offset, type); 1308b54566f5c433764830c29c83151691d0034de094plougher 130971add234b27054974d5e29f95b3fab3072792a62plougher 131071add234b27054974d5e29f95b3fab3072792a62plougher if(!matches(paths, name, &new)) 1311b54566f5c433764830c29c83151691d0034de094plougher continue; 1312b54566f5c433764830c29c83151691d0034de094plougher 1313443c15812032991c98b33b5424b17bcd55fe3575plougher strcat(strcat(strcpy(pathname, parent_name), "/"), name); 1314fe3ca0609d02d78bcd11637c1220b2ff428f466aplougher 1315443c15812032991c98b33b5424b17bcd55fe3575plougher if(type == SQUASHFS_DIR_TYPE) 131671add234b27054974d5e29f95b3fab3072792a62plougher dir_scan(pathname, start_block, offset, new); 1317a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher else if(new == NULL) { 1318312e50b7b8c9dd39577657bd3d79fcedf6e91a1bplougher i = s_ops.read_inode(start_block, offset); 13196f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher 13206f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher if(lsonly || info) 13216f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher print_filename(pathname, i); 13226f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher 1323eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher if(!lsonly) { 13246f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher create_inode(pathname, i); 1325eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher update_progress_bar(); 1326eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher } 1327427e2790c9ae74e2ff2c25e80a469cee0bbcae44plougher 1328d4204758f77acb5a371fa1487a755b76a05d5476plougher if(i->type == SQUASHFS_SYMLINK_TYPE || 1329d4204758f77acb5a371fa1487a755b76a05d5476plougher i->type == SQUASHFS_LSYMLINK_TYPE) 1330427e2790c9ae74e2ff2c25e80a469cee0bbcae44plougher free(i->symlink); 13316f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher } 1332a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher 1333a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher free_subdir(new); 1334443c15812032991c98b33b5424b17bcd55fe3575plougher } 1335443c15812032991c98b33b5424b17bcd55fe3575plougher 1336074d3f1129eae914655f6637773488052bf22327rlougher if(!lsonly) 1337d4204758f77acb5a371fa1487a755b76a05d5476plougher set_attributes(parent_name, dir->mode, dir->uid, dir->guid, 1338fdbbd7d7e595a227e0c259fa4afc872098c9e471plougher dir->mtime, dir->xattr, force); 1339443c15812032991c98b33b5424b17bcd55fe3575plougher 1340443c15812032991c98b33b5424b17bcd55fe3575plougher squashfs_closedir(dir); 1341443c15812032991c98b33b5424b17bcd55fe3575plougher dir_count ++; 1342443c15812032991c98b33b5424b17bcd55fe3575plougher} 1343443c15812032991c98b33b5424b17bcd55fe3575plougher 1344443c15812032991c98b33b5424b17bcd55fe3575plougher 1345b624936abba03d38b7e9245c647339d8f6f34274ploughervoid squashfs_stat(char *source) 1346b624936abba03d38b7e9245c647339d8f6f34274plougher{ 134727c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher time_t mkfs_time = (time_t) sBlk.s.mkfs_time; 1348b624936abba03d38b7e9245c647339d8f6f34274plougher char *mkfs_str = ctime(&mkfs_time); 1349b624936abba03d38b7e9245c647339d8f6f34274plougher 1350b624936abba03d38b7e9245c647339d8f6f34274plougher#if __BYTE_ORDER == __BIG_ENDIAN 1351d4204758f77acb5a371fa1487a755b76a05d5476plougher printf("Found a valid %sSQUASHFS %d:%d superblock on %s.\n", 135227c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.s_major == 4 ? "" : swap ? "little endian " : 135327c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher "big endian ", sBlk.s.s_major, sBlk.s.s_minor, source); 1354b624936abba03d38b7e9245c647339d8f6f34274plougher#else 1355d4204758f77acb5a371fa1487a755b76a05d5476plougher printf("Found a valid %sSQUASHFS %d:%d superblock on %s.\n", 135627c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.s_major == 4 ? "" : swap ? "big endian " : 135727c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher "little endian ", sBlk.s.s_major, sBlk.s.s_minor, source); 1358b624936abba03d38b7e9245c647339d8f6f34274plougher#endif 1359d4204758f77acb5a371fa1487a755b76a05d5476plougher printf("Creation or last append time %s", mkfs_str ? mkfs_str : 1360d4204758f77acb5a371fa1487a755b76a05d5476plougher "failed to get time\n"); 1361e5e5a7502f722fae4f057f49932fe4de2501f6e8plougher printf("Filesystem size %.2f Kbytes (%.2f Mbytes)\n", 1362e3206fad5b70e7e0527db2a627ad26616a8a2429plougher sBlk.s.bytes_used / 1024.0, sBlk.s.bytes_used / 1363e3206fad5b70e7e0527db2a627ad26616a8a2429plougher (1024.0 * 1024.0)); 136427c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher if(sBlk.s.s_major == 4) 1365e5e5a7502f722fae4f057f49932fe4de2501f6e8plougher printf("Compression %s\n", comp->name); 136627c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher printf("Block size %d\n", sBlk.s.block_size); 1367d4204758f77acb5a371fa1487a755b76a05d5476plougher printf("Filesystem is %sexportable via NFS\n", 136827c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher SQUASHFS_EXPORTABLE(sBlk.s.flags) ? "" : "not "); 1369d4204758f77acb5a371fa1487a755b76a05d5476plougher 1370d4204758f77acb5a371fa1487a755b76a05d5476plougher printf("Inodes are %scompressed\n", 137127c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher SQUASHFS_UNCOMPRESSED_INODES(sBlk.s.flags) ? "un" : ""); 1372d4204758f77acb5a371fa1487a755b76a05d5476plougher printf("Data is %scompressed\n", 137327c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher SQUASHFS_UNCOMPRESSED_DATA(sBlk.s.flags) ? "un" : ""); 137427c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher if(sBlk.s.s_major > 1 && !SQUASHFS_NO_FRAGMENTS(sBlk.s.flags)) 1375d4204758f77acb5a371fa1487a755b76a05d5476plougher printf("Fragments are %scompressed\n", 137627c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher SQUASHFS_UNCOMPRESSED_FRAGMENTS(sBlk.s.flags) ? "un" : 1377c435240f52b78b0ef498118727ba8dad186db26bplougher ""); 1378d4204758f77acb5a371fa1487a755b76a05d5476plougher printf("Check data is %spresent in the filesystem\n", 137927c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher SQUASHFS_CHECK_DATA(sBlk.s.flags) ? "" : "not "); 138027c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher if(sBlk.s.s_major > 1) { 1381d4204758f77acb5a371fa1487a755b76a05d5476plougher printf("Fragments are %spresent in the filesystem\n", 138227c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher SQUASHFS_NO_FRAGMENTS(sBlk.s.flags) ? "not " : ""); 1383d4204758f77acb5a371fa1487a755b76a05d5476plougher printf("Always_use_fragments option is %sspecified\n", 138427c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher SQUASHFS_ALWAYS_FRAGMENTS(sBlk.s.flags) ? "" : "not "); 1385b624936abba03d38b7e9245c647339d8f6f34274plougher } else 1386b624936abba03d38b7e9245c647339d8f6f34274plougher printf("Fragments are not supported by the filesystem\n"); 1387b624936abba03d38b7e9245c647339d8f6f34274plougher 138827c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher if(sBlk.s.s_major > 1) 1389d4204758f77acb5a371fa1487a755b76a05d5476plougher printf("Duplicates are %sremoved\n", 139027c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher SQUASHFS_DUPLICATES(sBlk.s.flags) ? "" : "not "); 13910337de3977eec74e6a3d28e0d0863299246de8b7plougher else 13920337de3977eec74e6a3d28e0d0863299246de8b7plougher printf("Duplicates are removed\n"); 139327c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher if(sBlk.s.s_major > 1) 139427c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher printf("Number of fragments %d\n", sBlk.s.fragments); 139527c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher printf("Number of inodes %d\n", sBlk.s.inodes); 139627c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher if(sBlk.s.s_major == 4) 139727c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher printf("Number of ids %d\n", sBlk.s.no_ids); 13980f74340e3b68533339adc60f418ddf59fa188f61plougher else { 13990f74340e3b68533339adc60f418ddf59fa188f61plougher printf("Number of uids %d\n", sBlk.no_uids); 14000f74340e3b68533339adc60f418ddf59fa188f61plougher printf("Number of gids %d\n", sBlk.no_guids); 14010f74340e3b68533339adc60f418ddf59fa188f61plougher } 1402b624936abba03d38b7e9245c647339d8f6f34274plougher 140327c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher TRACE("sBlk.s.inode_table_start 0x%llx\n", sBlk.s.inode_table_start); 140427c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher TRACE("sBlk.s.directory_table_start 0x%llx\n", 140527c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.directory_table_start); 140627c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher if(sBlk.s.s_major == 4) 140727c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher TRACE("sBlk.s.id_table_start 0x%llx\n", sBlk.s.id_table_start); 14080f74340e3b68533339adc60f418ddf59fa188f61plougher else { 14090f74340e3b68533339adc60f418ddf59fa188f61plougher TRACE("sBlk.uid_start 0x%llx\n", sBlk.uid_start); 14100f74340e3b68533339adc60f418ddf59fa188f61plougher TRACE("sBlk.guid_start 0x%llx\n", sBlk.guid_start); 14110f74340e3b68533339adc60f418ddf59fa188f61plougher } 141227c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher if(sBlk.s.s_major > 1) 141327c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher TRACE("sBlk.s.fragment_table_start 0x%llx\n\n", 141427c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.fragment_table_start); 1415b624936abba03d38b7e9245c647339d8f6f34274plougher} 1416b624936abba03d38b7e9245c647339d8f6f34274plougher 1417b624936abba03d38b7e9245c647339d8f6f34274plougher 141802bc3bcabf2b219f63961f07293b83629948f026plougherint read_super(char *source) 1419443c15812032991c98b33b5424b17bcd55fe3575plougher{ 14206490378e5b5e8dc058daf28423a7465699a6ba7bplougher squashfs_super_block_3 sBlk_3; 14216490378e5b5e8dc058daf28423a7465699a6ba7bplougher squashfs_super_block sBlk_4; 14226490378e5b5e8dc058daf28423a7465699a6ba7bplougher 14236490378e5b5e8dc058daf28423a7465699a6ba7bplougher /* 14246490378e5b5e8dc058daf28423a7465699a6ba7bplougher * Try to read a Squashfs 4 superblock 14256490378e5b5e8dc058daf28423a7465699a6ba7bplougher */ 142686561909d9ca51a4e4ce4efcfea30b41d1d08275plougher read_fs_bytes(fd, SQUASHFS_START, sizeof(squashfs_super_block), 14273306cb2b54a60a32664617118336ac141e1471b6plougher &sBlk_4); 142854660e177ba40ab08ee2f3304b9f030eb5675677plougher swap = sBlk_4.s_magic != SQUASHFS_MAGIC; 14296490378e5b5e8dc058daf28423a7465699a6ba7bplougher SQUASHFS_INSWAP_SUPER_BLOCK(&sBlk_4); 14306490378e5b5e8dc058daf28423a7465699a6ba7bplougher 1431d4204758f77acb5a371fa1487a755b76a05d5476plougher if(sBlk_4.s_magic == SQUASHFS_MAGIC && sBlk_4.s_major == 4 && 1432d4204758f77acb5a371fa1487a755b76a05d5476plougher sBlk_4.s_minor == 0) { 14336490378e5b5e8dc058daf28423a7465699a6ba7bplougher s_ops.squashfs_opendir = squashfs_opendir_4; 14346490378e5b5e8dc058daf28423a7465699a6ba7bplougher s_ops.read_fragment = read_fragment_4; 14356490378e5b5e8dc058daf28423a7465699a6ba7bplougher s_ops.read_fragment_table = read_fragment_table_4; 14366490378e5b5e8dc058daf28423a7465699a6ba7bplougher s_ops.read_block_list = read_block_list_2; 14376490378e5b5e8dc058daf28423a7465699a6ba7bplougher s_ops.read_inode = read_inode_4; 14386490378e5b5e8dc058daf28423a7465699a6ba7bplougher s_ops.read_uids_guids = read_uids_guids_4; 14396490378e5b5e8dc058daf28423a7465699a6ba7bplougher memcpy(&sBlk, &sBlk_4, sizeof(sBlk_4)); 1440efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher 1441efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher /* 1442efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher * Check the compression type 1443efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher */ 144427c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher comp = lookup_compressor_id(sBlk.s.compression); 1445efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher if(!comp->supported) { 144613df178e33c56016f95b72a33b79c0747b77f1a3plougher ERROR("Filesystem uses %s compression, this is " 144713df178e33c56016f95b72a33b79c0747b77f1a3plougher "unsupported by this version\n", comp->name); 144813df178e33c56016f95b72a33b79c0747b77f1a3plougher ERROR("Decompressors available:\n"); 1449764dab5cd71bda25bc755de08908dbbd58c1a450plougher display_compressors("", ""); 1450efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher goto failed_mount; 1451efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher } 14526490378e5b5e8dc058daf28423a7465699a6ba7bplougher return TRUE; 14536490378e5b5e8dc058daf28423a7465699a6ba7bplougher } 14546490378e5b5e8dc058daf28423a7465699a6ba7bplougher 14556490378e5b5e8dc058daf28423a7465699a6ba7bplougher /* 14566490378e5b5e8dc058daf28423a7465699a6ba7bplougher * Not a Squashfs 4 superblock, try to read a squashfs 3 superblock 14576490378e5b5e8dc058daf28423a7465699a6ba7bplougher * (compatible with 1 and 2 filesystems) 14586490378e5b5e8dc058daf28423a7465699a6ba7bplougher */ 145986561909d9ca51a4e4ce4efcfea30b41d1d08275plougher read_fs_bytes(fd, SQUASHFS_START, sizeof(squashfs_super_block_3), 14603306cb2b54a60a32664617118336ac141e1471b6plougher &sBlk_3); 1461443c15812032991c98b33b5424b17bcd55fe3575plougher 1462d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 1463d4204758f77acb5a371fa1487a755b76a05d5476plougher * Check it is a SQUASHFS superblock 1464d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 1465443c15812032991c98b33b5424b17bcd55fe3575plougher swap = 0; 146621ee4773956342a8a7d0f14e430ae77ffbd10601plougher if(sBlk_3.s_magic != SQUASHFS_MAGIC) { 146721ee4773956342a8a7d0f14e430ae77ffbd10601plougher if(sBlk_3.s_magic == SQUASHFS_MAGIC_SWAP) { 14687a5df5d70c02bdb5175a5b9301c2c9597a6a4937plougher squashfs_super_block_3 sblk; 1469c435240f52b78b0ef498118727ba8dad186db26bplougher ERROR("Reading a different endian SQUASHFS filesystem " 1470c435240f52b78b0ef498118727ba8dad186db26bplougher "on %s\n", source); 14716490378e5b5e8dc058daf28423a7465699a6ba7bplougher SQUASHFS_SWAP_SUPER_BLOCK_3(&sblk, &sBlk_3); 14726490378e5b5e8dc058daf28423a7465699a6ba7bplougher memcpy(&sBlk_3, &sblk, sizeof(squashfs_super_block_3)); 1473443c15812032991c98b33b5424b17bcd55fe3575plougher swap = 1; 1474443c15812032991c98b33b5424b17bcd55fe3575plougher } else { 1475c435240f52b78b0ef498118727ba8dad186db26bplougher ERROR("Can't find a SQUASHFS superblock on %s\n", 1476c435240f52b78b0ef498118727ba8dad186db26bplougher source); 1477443c15812032991c98b33b5424b17bcd55fe3575plougher goto failed_mount; 1478443c15812032991c98b33b5424b17bcd55fe3575plougher } 1479443c15812032991c98b33b5424b17bcd55fe3575plougher } 1480443c15812032991c98b33b5424b17bcd55fe3575plougher 148127c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.s_magic = sBlk_3.s_magic; 148227c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.inodes = sBlk_3.inodes; 148327c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.mkfs_time = sBlk_3.mkfs_time; 148427c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.block_size = sBlk_3.block_size; 148527c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.fragments = sBlk_3.fragments; 148627c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.block_log = sBlk_3.block_log; 148727c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.flags = sBlk_3.flags; 148827c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.s_major = sBlk_3.s_major; 148927c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.s_minor = sBlk_3.s_minor; 149027c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.root_inode = sBlk_3.root_inode; 149127c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.bytes_used = sBlk_3.bytes_used; 149227c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.inode_table_start = sBlk_3.inode_table_start; 149327c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.directory_table_start = sBlk_3.directory_table_start; 149427c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.fragment_table_start = sBlk_3.fragment_table_start; 149527c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.lookup_table_start = sBlk_3.lookup_table_start; 14966490378e5b5e8dc058daf28423a7465699a6ba7bplougher sBlk.no_uids = sBlk_3.no_uids; 14976490378e5b5e8dc058daf28423a7465699a6ba7bplougher sBlk.no_guids = sBlk_3.no_guids; 14986490378e5b5e8dc058daf28423a7465699a6ba7bplougher sBlk.uid_start = sBlk_3.uid_start; 14996490378e5b5e8dc058daf28423a7465699a6ba7bplougher sBlk.guid_start = sBlk_3.guid_start; 150027c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.xattr_id_table_start = SQUASHFS_INVALID_BLK; 15016490378e5b5e8dc058daf28423a7465699a6ba7bplougher 1502443c15812032991c98b33b5424b17bcd55fe3575plougher /* Check the MAJOR & MINOR versions */ 150327c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher if(sBlk.s.s_major == 1 || sBlk.s.s_major == 2) { 150427c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.bytes_used = sBlk_3.bytes_used_2; 15056490378e5b5e8dc058daf28423a7465699a6ba7bplougher sBlk.uid_start = sBlk_3.uid_start_2; 15066490378e5b5e8dc058daf28423a7465699a6ba7bplougher sBlk.guid_start = sBlk_3.guid_start_2; 150727c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.inode_table_start = sBlk_3.inode_table_start_2; 150827c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.directory_table_start = sBlk_3.directory_table_start_2; 150902bc3bcabf2b219f63961f07293b83629948f026plougher 151027c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher if(sBlk.s.s_major == 1) { 151127c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.block_size = sBlk_3.block_size_1; 151227c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.fragment_table_start = sBlk.uid_start; 1513ed5124f016834932db2c63d60d259d846171c216plougher s_ops.squashfs_opendir = squashfs_opendir_1; 1514ba3d412c7c811a9b335a52ec497ce511e35b2bc8plougher s_ops.read_fragment_table = read_fragment_table_1; 1515ba3d412c7c811a9b335a52ec497ce511e35b2bc8plougher s_ops.read_block_list = read_block_list_1; 15166f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher s_ops.read_inode = read_inode_1; 151779e700efc62527661ce140bd1013a2b60577917eplougher s_ops.read_uids_guids = read_uids_guids_1; 1518ba3d412c7c811a9b335a52ec497ce511e35b2bc8plougher } else { 151927c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.fragment_table_start = 1520c435240f52b78b0ef498118727ba8dad186db26bplougher sBlk_3.fragment_table_start_2; 1521ed5124f016834932db2c63d60d259d846171c216plougher s_ops.squashfs_opendir = squashfs_opendir_1; 1522ba3d412c7c811a9b335a52ec497ce511e35b2bc8plougher s_ops.read_fragment = read_fragment_2; 1523ba3d412c7c811a9b335a52ec497ce511e35b2bc8plougher s_ops.read_fragment_table = read_fragment_table_2; 1524ed5124f016834932db2c63d60d259d846171c216plougher s_ops.read_block_list = read_block_list_2; 15256f59236ae37e220ca132b18d58f78ef1f5a1d4fbplougher s_ops.read_inode = read_inode_2; 152679e700efc62527661ce140bd1013a2b60577917eplougher s_ops.read_uids_guids = read_uids_guids_1; 1527ba3d412c7c811a9b335a52ec497ce511e35b2bc8plougher } 152827c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher } else if(sBlk.s.s_major == 3) { 1529ed5124f016834932db2c63d60d259d846171c216plougher s_ops.squashfs_opendir = squashfs_opendir_3; 1530ed5124f016834932db2c63d60d259d846171c216plougher s_ops.read_fragment = read_fragment_3; 1531ed5124f016834932db2c63d60d259d846171c216plougher s_ops.read_fragment_table = read_fragment_table_3; 1532ed5124f016834932db2c63d60d259d846171c216plougher s_ops.read_block_list = read_block_list_2; 1533ed5124f016834932db2c63d60d259d846171c216plougher s_ops.read_inode = read_inode_3; 153479e700efc62527661ce140bd1013a2b60577917eplougher s_ops.read_uids_guids = read_uids_guids_1; 153502bc3bcabf2b219f63961f07293b83629948f026plougher } else { 153627c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher ERROR("Filesystem on %s is (%d:%d), ", source, sBlk.s.s_major, 153727c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.s_minor); 15384c99cb7f458d8e1c598f1c80793daf3696c9b528plougher ERROR("which is a later filesystem version than I support!\n"); 1539443c15812032991c98b33b5424b17bcd55fe3575plougher goto failed_mount; 1540443c15812032991c98b33b5424b17bcd55fe3575plougher } 1541443c15812032991c98b33b5424b17bcd55fe3575plougher 1542efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher /* 1543efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher * 1.x, 2.x and 3.x filesystems use gzip compression. Gzip is always 1544efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher * suppported. 1545efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher */ 1546efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher comp = lookup_compressor("gzip"); 1547443c15812032991c98b33b5424b17bcd55fe3575plougher return TRUE; 1548443c15812032991c98b33b5424b17bcd55fe3575plougher 1549443c15812032991c98b33b5424b17bcd55fe3575plougherfailed_mount: 1550443c15812032991c98b33b5424b17bcd55fe3575plougher return FALSE; 1551443c15812032991c98b33b5424b17bcd55fe3575plougher} 1552443c15812032991c98b33b5424b17bcd55fe3575plougher 1553443c15812032991c98b33b5424b17bcd55fe3575plougher 1554a706f1b6bb48f288ecaf74e218ce20504bda52c6plougherstruct pathname *process_extract_files(struct pathname *path, char *filename) 155571add234b27054974d5e29f95b3fab3072792a62plougher{ 155671add234b27054974d5e29f95b3fab3072792a62plougher FILE *fd; 155771add234b27054974d5e29f95b3fab3072792a62plougher char name[16384]; 155871add234b27054974d5e29f95b3fab3072792a62plougher 15594dba330d7b952f2f044d38e342e2ae3ea78910d6plougher if((fd = fopen(filename, "r")) == NULL) 1560d4204758f77acb5a371fa1487a755b76a05d5476plougher EXIT_UNSQUASH("Could not open %s, because %s\n", filename, 1561d4204758f77acb5a371fa1487a755b76a05d5476plougher strerror(errno)); 156271add234b27054974d5e29f95b3fab3072792a62plougher 156371add234b27054974d5e29f95b3fab3072792a62plougher while(fscanf(fd, "%16384[^\n]\n", name) != EOF) 1564a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher path = add_path(path, name, name); 156571add234b27054974d5e29f95b3fab3072792a62plougher 156671add234b27054974d5e29f95b3fab3072792a62plougher fclose(fd); 1567a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher return path; 156871add234b27054974d5e29f95b3fab3072792a62plougher} 156971add234b27054974d5e29f95b3fab3072792a62plougher 157071add234b27054974d5e29f95b3fab3072792a62plougher 1571d4204758f77acb5a371fa1487a755b76a05d5476plougher/* 1572d4204758f77acb5a371fa1487a755b76a05d5476plougher * reader thread. This thread processes read requests queued by the 1573d4204758f77acb5a371fa1487a755b76a05d5476plougher * cache_get() routine. 1574d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 15758888b61f8ff4680247d10f7e5beb2ff35e8c867dploughervoid *reader(void *arg) 15768888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher{ 15778888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher while(1) { 15788888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher struct cache_entry *entry = queue_get(to_reader); 157986561909d9ca51a4e4ce4efcfea30b41d1d08275plougher int res = read_fs_bytes(fd, entry->block, 15808888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher SQUASHFS_COMPRESSED_SIZE_BLOCK(entry->size), 15818888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher entry->data); 15828888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 15838888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if(res && SQUASHFS_COMPRESSED_BLOCK(entry->size)) 1584d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 1585c435240f52b78b0ef498118727ba8dad186db26bplougher * queue successfully read block to the deflate 1586c435240f52b78b0ef498118727ba8dad186db26bplougher * thread(s) for further processing 1587d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 15888888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher queue_put(to_deflate, entry); 15898888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher else 1590d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 1591d4204758f77acb5a371fa1487a755b76a05d5476plougher * block has either been successfully read and is 1592d4204758f77acb5a371fa1487a755b76a05d5476plougher * uncompressed, or an error has occurred, clear pending 1593c435240f52b78b0ef498118727ba8dad186db26bplougher * flag, set error appropriately, and wake up any 1594c435240f52b78b0ef498118727ba8dad186db26bplougher * threads waiting on this buffer 1595d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 15968888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher cache_block_ready(entry, !res); 15978888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } 15988888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher} 15998888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 16008888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 1601d4204758f77acb5a371fa1487a755b76a05d5476plougher/* 1602d4204758f77acb5a371fa1487a755b76a05d5476plougher * writer thread. This processes file write requests queued by the 1603d4204758f77acb5a371fa1487a755b76a05d5476plougher * write_file() routine. 1604d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 16058888b61f8ff4680247d10f7e5beb2ff35e8c867dploughervoid *writer(void *arg) 16068888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher{ 16078888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher int i; 16088888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 16098888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher while(1) { 16108888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher struct squashfs_file *file = queue_get(to_writer); 16118888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher int file_fd; 16128888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher int hole = 0; 161327636cb2cec37a68313f9eb825c0548245eecad0plougher int failed = FALSE; 1614c6e684fd0562ef5339ea2c0b3ce09aa6149708cdplougher int error; 16158888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 16168888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if(file == NULL) { 16178888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher queue_put(from_writer, NULL); 16188888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher continue; 16198888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } 16208888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 16218888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher TRACE("writer: regular file, blocks %d\n", file->blocks); 16228888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 16238888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher file_fd = file->fd; 16248888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 1625eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher for(i = 0; i < file->blocks; i++, cur_blocks ++) { 16268888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher struct file_entry *block = queue_get(to_writer); 16278888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 16288888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if(block->buffer == 0) { /* sparse file */ 16298888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher hole += block->size; 16308888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher free(block); 16318888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher continue; 16328888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } 16338888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 16348888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher cache_block_wait(block->buffer); 163527636cb2cec37a68313f9eb825c0548245eecad0plougher 163627636cb2cec37a68313f9eb825c0548245eecad0plougher if(block->buffer->error) 163727636cb2cec37a68313f9eb825c0548245eecad0plougher failed = TRUE; 163827636cb2cec37a68313f9eb825c0548245eecad0plougher 1639c6e684fd0562ef5339ea2c0b3ce09aa6149708cdplougher if(failed) 1640c6e684fd0562ef5339ea2c0b3ce09aa6149708cdplougher continue; 1641c6e684fd0562ef5339ea2c0b3ce09aa6149708cdplougher 1642c6e684fd0562ef5339ea2c0b3ce09aa6149708cdplougher error = write_block(file_fd, block->buffer->data + 1643c6e684fd0562ef5339ea2c0b3ce09aa6149708cdplougher block->offset, block->size, hole, file->sparse); 1644c6e684fd0562ef5339ea2c0b3ce09aa6149708cdplougher 1645c6e684fd0562ef5339ea2c0b3ce09aa6149708cdplougher if(error == FALSE) { 1646d4204758f77acb5a371fa1487a755b76a05d5476plougher ERROR("writer: failed to write data block %d\n", 1647d4204758f77acb5a371fa1487a755b76a05d5476plougher i); 164827636cb2cec37a68313f9eb825c0548245eecad0plougher failed = TRUE; 16498888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } 1650c6e684fd0562ef5339ea2c0b3ce09aa6149708cdplougher 16518888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher hole = 0; 16528888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher cache_block_put(block->buffer); 16538888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher free(block); 16548888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } 16558888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 165627636cb2cec37a68313f9eb825c0548245eecad0plougher if(hole && failed == FALSE) { 1657d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 1658d4204758f77acb5a371fa1487a755b76a05d5476plougher * corner case for hole extending to end of file 1659d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 1660d4204758f77acb5a371fa1487a755b76a05d5476plougher if(file->sparse == FALSE || 1661d4204758f77acb5a371fa1487a755b76a05d5476plougher lseek(file_fd, hole, SEEK_CUR) == -1) { 1662d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 1663d4204758f77acb5a371fa1487a755b76a05d5476plougher * for files which we don't want to write 1664c6e684fd0562ef5339ea2c0b3ce09aa6149708cdplougher * sparsely, or for broken lseeks which cannot 1665c6e684fd0562ef5339ea2c0b3ce09aa6149708cdplougher * seek beyond end of file, write_block will do 1666c6e684fd0562ef5339ea2c0b3ce09aa6149708cdplougher * the right thing 1667c6e684fd0562ef5339ea2c0b3ce09aa6149708cdplougher */ 16688888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher hole --; 1669d4204758f77acb5a371fa1487a755b76a05d5476plougher if(write_block(file_fd, "\0", 1, hole, 1670d4204758f77acb5a371fa1487a755b76a05d5476plougher file->sparse) == FALSE) { 1671d4204758f77acb5a371fa1487a755b76a05d5476plougher ERROR("writer: failed to write sparse " 1672d4204758f77acb5a371fa1487a755b76a05d5476plougher "data block\n"); 167327636cb2cec37a68313f9eb825c0548245eecad0plougher failed = TRUE; 16748888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } 16758888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } else if(ftruncate(file_fd, file->file_size) == -1) { 1676d4204758f77acb5a371fa1487a755b76a05d5476plougher ERROR("writer: failed to write sparse data " 1677d4204758f77acb5a371fa1487a755b76a05d5476plougher "block\n"); 167827636cb2cec37a68313f9eb825c0548245eecad0plougher failed = TRUE; 16798888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } 16808888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } 16818888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 16828888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher close(file_fd); 168327636cb2cec37a68313f9eb825c0548245eecad0plougher if(failed == FALSE) 1684d4204758f77acb5a371fa1487a755b76a05d5476plougher set_attributes(file->pathname, file->mode, file->uid, 1685fdbbd7d7e595a227e0c259fa4afc872098c9e471plougher file->gid, file->time, file->xattr, force); 168627636cb2cec37a68313f9eb825c0548245eecad0plougher else { 168727636cb2cec37a68313f9eb825c0548245eecad0plougher ERROR("Failed to write %s, skipping\n", file->pathname); 168827636cb2cec37a68313f9eb825c0548245eecad0plougher unlink(file->pathname); 168927636cb2cec37a68313f9eb825c0548245eecad0plougher } 169079df93becb68081effabebba3006c794be308598plougher free(file->pathname); 16918888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher free(file); 169227636cb2cec37a68313f9eb825c0548245eecad0plougher 16938888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } 16948888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher} 16958888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 16968888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 1697d4204758f77acb5a371fa1487a755b76a05d5476plougher/* 1698d4204758f77acb5a371fa1487a755b76a05d5476plougher * decompress thread. This decompresses buffers queued by the read thread 1699d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 17008888b61f8ff4680247d10f7e5beb2ff35e8c867dploughervoid *deflator(void *arg) 17018888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher{ 17028888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher char tmp[block_size]; 17038888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 17048888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher while(1) { 17058888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher struct cache_entry *entry = queue_get(to_deflate); 1706efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher int error, res; 1707efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher 1708efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher res = comp->uncompress(tmp, entry->data, 1709efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher SQUASHFS_COMPRESSED_SIZE_BLOCK(entry->size), block_size, 1710efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher &error); 1711efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher 1712efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher if(res == -1) 1713efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher ERROR("%s uncompress failed with error code %d\n", 1714efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher comp->name, error); 1715efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher else 1716efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher memcpy(entry->data, tmp, res); 17178888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 1718d4204758f77acb5a371fa1487a755b76a05d5476plougher /* 1719d4204758f77acb5a371fa1487a755b76a05d5476plougher * block has been either successfully decompressed, or an error 17208888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher * occurred, clear pending flag, set error appropriately and 1721d4204758f77acb5a371fa1487a755b76a05d5476plougher * wake up any threads waiting on this block 1722d4204758f77acb5a371fa1487a755b76a05d5476plougher */ 1723efda88fd6fbb19543a86b5f8d15b437bba8c4674plougher cache_block_ready(entry, res == -1); 17248888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } 17258888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher} 17268888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 17278888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 1728eb35c81a4c4500aab9eeea2ba2271c88fe42732aploughervoid *progress_thread(void *arg) 1729eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher{ 1730eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher struct timeval timeval; 1731eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher struct timespec timespec; 17321b5f6c5145f284683a2628b73ab5f8a0e37dd7b4plougher struct itimerval itimerval; 17331b5f6c5145f284683a2628b73ab5f8a0e37dd7b4plougher struct winsize winsize; 17341b5f6c5145f284683a2628b73ab5f8a0e37dd7b4plougher 17351b5f6c5145f284683a2628b73ab5f8a0e37dd7b4plougher if(ioctl(1, TIOCGWINSZ, &winsize) == -1) { 173601b4328a47a3c1ecd9ccc3ff6cde37ea973bb3c6plougher if(isatty(STDOUT_FILENO)) 173701b4328a47a3c1ecd9ccc3ff6cde37ea973bb3c6plougher ERROR("TIOCGWINSZ ioctl failed, defaulting to 80 " 173801b4328a47a3c1ecd9ccc3ff6cde37ea973bb3c6plougher "columns\n"); 17391b5f6c5145f284683a2628b73ab5f8a0e37dd7b4plougher columns = 80; 17401b5f6c5145f284683a2628b73ab5f8a0e37dd7b4plougher } else 17411b5f6c5145f284683a2628b73ab5f8a0e37dd7b4plougher columns = winsize.ws_col; 17421b5f6c5145f284683a2628b73ab5f8a0e37dd7b4plougher signal(SIGWINCH, sigwinch_handler); 17431b5f6c5145f284683a2628b73ab5f8a0e37dd7b4plougher signal(SIGALRM, sigalrm_handler); 17441b5f6c5145f284683a2628b73ab5f8a0e37dd7b4plougher 17451b5f6c5145f284683a2628b73ab5f8a0e37dd7b4plougher itimerval.it_value.tv_sec = 0; 17461b5f6c5145f284683a2628b73ab5f8a0e37dd7b4plougher itimerval.it_value.tv_usec = 250000; 17471b5f6c5145f284683a2628b73ab5f8a0e37dd7b4plougher itimerval.it_interval.tv_sec = 0; 17481b5f6c5145f284683a2628b73ab5f8a0e37dd7b4plougher itimerval.it_interval.tv_usec = 250000; 17491b5f6c5145f284683a2628b73ab5f8a0e37dd7b4plougher setitimer(ITIMER_REAL, &itimerval, NULL); 1750eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 1751eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher pthread_cond_init(&progress_wait, NULL); 1752eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 17531b42101056befe25b5f19d5b099e806a2ecee9cdplougher pthread_mutex_lock(&screen_mutex); 1754eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher while(1) { 1755eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher gettimeofday(&timeval, NULL); 1756eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher timespec.tv_sec = timeval.tv_sec; 1757eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher if(timeval.tv_usec + 250000 > 999999) 1758eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher timespec.tv_sec++; 1759c435240f52b78b0ef498118727ba8dad186db26bplougher timespec.tv_nsec = ((timeval.tv_usec + 250000) % 1000000) * 1760c435240f52b78b0ef498118727ba8dad186db26bplougher 1000; 1761c435240f52b78b0ef498118727ba8dad186db26bplougher pthread_cond_timedwait(&progress_wait, &screen_mutex, 1762c435240f52b78b0ef498118727ba8dad186db26bplougher ×pec); 17631b42101056befe25b5f19d5b099e806a2ecee9cdplougher if(progress_enabled) 17641b42101056befe25b5f19d5b099e806a2ecee9cdplougher progress_bar(sym_count + dev_count + 1765d4204758f77acb5a371fa1487a755b76a05d5476plougher fifo_count + cur_blocks, total_inodes - 1766d4204758f77acb5a371fa1487a755b76a05d5476plougher total_files + total_blocks, columns); 1767eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher } 1768eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher} 1769eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 1770eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 17718888b61f8ff4680247d10f7e5beb2ff35e8c867dploughervoid initialise_threads(int fragment_buffer_size, int data_buffer_size) 17728888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher{ 17738888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher int i; 17748888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher sigset_t sigmask, old_mask; 17758888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher int all_buffers_size = fragment_buffer_size + data_buffer_size; 17768888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 17778888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher sigemptyset(&sigmask); 17788888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher sigaddset(&sigmask, SIGINT); 17798888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher sigaddset(&sigmask, SIGQUIT); 17808888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if(sigprocmask(SIG_BLOCK, &sigmask, &old_mask) == -1) 1781c435240f52b78b0ef498118727ba8dad186db26bplougher EXIT_UNSQUASH("Failed to set signal mask in intialise_threads" 1782c435240f52b78b0ef498118727ba8dad186db26bplougher "\n"); 17838888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 17848888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if(processors == -1) { 17858888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher#ifndef linux 17868888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher int mib[2]; 17878888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher size_t len = sizeof(processors); 17888888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 17898888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher mib[0] = CTL_HW; 17908888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher#ifdef HW_AVAILCPU 17918888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher mib[1] = HW_AVAILCPU; 17928888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher#else 17938888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher mib[1] = HW_NCPU; 17948888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher#endif 17958888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 17968888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if(sysctl(mib, 2, &processors, &len, NULL, 0) == -1) { 1797d4204758f77acb5a371fa1487a755b76a05d5476plougher ERROR("Failed to get number of available processors. " 1798d4204758f77acb5a371fa1487a755b76a05d5476plougher "Defaulting to 1\n"); 17998888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher processors = 1; 18008888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } 18018888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher#else 18029cc26b77a61fefdeb45f5c487c2bfdefd394b66fplougher processors = sysconf(_SC_NPROCESSORS_ONLN); 18038888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher#endif 18048888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } 18058888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 1806eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher if((thread = malloc((3 + processors) * sizeof(pthread_t))) == NULL) 18078888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher EXIT_UNSQUASH("Out of memory allocating thread descriptors\n"); 1808eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher deflator_thread = &thread[3]; 18098888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 18108888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher to_reader = queue_init(all_buffers_size); 18118888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher to_deflate = queue_init(all_buffers_size); 1812eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher to_writer = queue_init(1000); 18138888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher from_writer = queue_init(1); 18148888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher fragment_cache = cache_init(block_size, fragment_buffer_size); 18158888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher data_cache = cache_init(block_size, data_buffer_size); 18168888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_create(&thread[0], NULL, reader, NULL); 18178888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_create(&thread[1], NULL, writer, NULL); 1818eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher pthread_create(&thread[2], NULL, progress_thread, NULL); 18198888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher pthread_mutex_init(&fragment_mutex, NULL); 18208888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 18218888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher for(i = 0; i < processors; i++) { 1822c435240f52b78b0ef498118727ba8dad186db26bplougher if(pthread_create(&deflator_thread[i], NULL, deflator, NULL) != 1823c435240f52b78b0ef498118727ba8dad186db26bplougher 0) 18248888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher EXIT_UNSQUASH("Failed to create thread\n"); 18258888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher } 18268888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 18278888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher printf("Parallel unsquashfs: Using %d processor%s\n", processors, 18288888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher processors == 1 ? "" : "s"); 18298888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 18308888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher if(sigprocmask(SIG_SETMASK, &old_mask, NULL) == -1) 1831c435240f52b78b0ef498118727ba8dad186db26bplougher EXIT_UNSQUASH("Failed to set signal mask in intialise_threads" 1832c435240f52b78b0ef498118727ba8dad186db26bplougher "\n"); 18338888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher} 18348888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 18358888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 18361b42101056befe25b5f19d5b099e806a2ecee9cdploughervoid enable_progress_bar() 18371b42101056befe25b5f19d5b099e806a2ecee9cdplougher{ 18381b42101056befe25b5f19d5b099e806a2ecee9cdplougher pthread_mutex_lock(&screen_mutex); 18391b42101056befe25b5f19d5b099e806a2ecee9cdplougher progress_enabled = TRUE; 18401b42101056befe25b5f19d5b099e806a2ecee9cdplougher pthread_mutex_unlock(&screen_mutex); 18411b42101056befe25b5f19d5b099e806a2ecee9cdplougher} 18421b42101056befe25b5f19d5b099e806a2ecee9cdplougher 18431b42101056befe25b5f19d5b099e806a2ecee9cdplougher 18441b42101056befe25b5f19d5b099e806a2ecee9cdploughervoid disable_progress_bar() 18451b42101056befe25b5f19d5b099e806a2ecee9cdplougher{ 18461b42101056befe25b5f19d5b099e806a2ecee9cdplougher pthread_mutex_lock(&screen_mutex); 18471b42101056befe25b5f19d5b099e806a2ecee9cdplougher progress_enabled = FALSE; 18481b42101056befe25b5f19d5b099e806a2ecee9cdplougher pthread_mutex_unlock(&screen_mutex); 18491b42101056befe25b5f19d5b099e806a2ecee9cdplougher} 18501b42101056befe25b5f19d5b099e806a2ecee9cdplougher 18511b42101056befe25b5f19d5b099e806a2ecee9cdplougher 1852eb35c81a4c4500aab9eeea2ba2271c88fe42732aploughervoid update_progress_bar() 1853eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher{ 18541b42101056befe25b5f19d5b099e806a2ecee9cdplougher pthread_mutex_lock(&screen_mutex); 1855eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher pthread_cond_signal(&progress_wait); 18561b42101056befe25b5f19d5b099e806a2ecee9cdplougher pthread_mutex_unlock(&screen_mutex); 1857eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher} 1858eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 1859eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 1860eb35c81a4c4500aab9eeea2ba2271c88fe42732aploughervoid progress_bar(long long current, long long max, int columns) 1861eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher{ 1862eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher char rotate_list[] = { '|', '/', '-', '\\' }; 1863b5a32017ae5c8f1b4d00b296e8f6fef140e8dd99plougher int max_digits, used, hashes, spaces; 1864dce832998340bea4236fddb5ba1525121044ce18plougher static int tty = -1; 1865eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 1866b5a32017ae5c8f1b4d00b296e8f6fef140e8dd99plougher if(max == 0) 1867b5a32017ae5c8f1b4d00b296e8f6fef140e8dd99plougher return; 1868b5a32017ae5c8f1b4d00b296e8f6fef140e8dd99plougher 1869b5a32017ae5c8f1b4d00b296e8f6fef140e8dd99plougher max_digits = floor(log10(max)) + 1; 1870b5a32017ae5c8f1b4d00b296e8f6fef140e8dd99plougher used = max_digits * 2 + 11; 1871b5a32017ae5c8f1b4d00b296e8f6fef140e8dd99plougher hashes = (current * (columns - used)) / max; 1872b5a32017ae5c8f1b4d00b296e8f6fef140e8dd99plougher spaces = columns - used - hashes; 1873b5a32017ae5c8f1b4d00b296e8f6fef140e8dd99plougher 1874eaf639366792995c36ae7295bddf534f6f416643plougher if((current > max) || (columns - used < 0)) 1875eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher return; 1876eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 1877dce832998340bea4236fddb5ba1525121044ce18plougher if(tty == -1) 1878dce832998340bea4236fddb5ba1525121044ce18plougher tty = isatty(STDOUT_FILENO); 1879dce832998340bea4236fddb5ba1525121044ce18plougher if(!tty) { 1880dce832998340bea4236fddb5ba1525121044ce18plougher static long long previous = -1; 1881dce832998340bea4236fddb5ba1525121044ce18plougher 18820a0d045642e8e413f90b770539193d3fd1522786plougher /* 18830a0d045642e8e413f90b770539193d3fd1522786plougher * Updating much more frequently than this results in huge 18840a0d045642e8e413f90b770539193d3fd1522786plougher * log files. 18850a0d045642e8e413f90b770539193d3fd1522786plougher */ 1886dce832998340bea4236fddb5ba1525121044ce18plougher if((current % 100) != 0 && current != max) 1887dce832998340bea4236fddb5ba1525121044ce18plougher return; 1888dce832998340bea4236fddb5ba1525121044ce18plougher /* Don't update just to rotate the spinner. */ 1889dce832998340bea4236fddb5ba1525121044ce18plougher if(current == previous) 1890dce832998340bea4236fddb5ba1525121044ce18plougher return; 1891dce832998340bea4236fddb5ba1525121044ce18plougher previous = current; 1892dce832998340bea4236fddb5ba1525121044ce18plougher } 1893dce832998340bea4236fddb5ba1525121044ce18plougher 1894eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher printf("\r["); 1895eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 1896eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher while (hashes --) 1897eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher putchar('='); 1898eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 1899eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher putchar(rotate_list[rotate]); 1900eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 1901eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher while(spaces --) 1902eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher putchar(' '); 1903eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 1904eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher printf("] %*lld/%*lld", max_digits, current, max_digits, max); 1905eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher printf(" %3lld%%", current * 100 / max); 1906eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher fflush(stdout); 1907eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher} 1908eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 1909eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 1910443c15812032991c98b33b5424b17bcd55fe3575plougher#define VERSION() \ 1911860c1f3d8aa4ba40d587382a91821bea03b023c5plougher printf("unsquashfs version 4.1-CVS (2010/07/08)\n");\ 1912e3206fad5b70e7e0527db2a627ad26616a8a2429plougher printf("copyright (C) 2010 Phillip Lougher "\ 1913e3206fad5b70e7e0527db2a627ad26616a8a2429plougher "<phillip@lougher.demon.co.uk>\n\n");\ 1914e3206fad5b70e7e0527db2a627ad26616a8a2429plougher printf("This program is free software; you can redistribute it and/or"\ 1915d4204758f77acb5a371fa1487a755b76a05d5476plougher "\n");\ 1916e3206fad5b70e7e0527db2a627ad26616a8a2429plougher printf("modify it under the terms of the GNU General Public License"\ 1917d4204758f77acb5a371fa1487a755b76a05d5476plougher "\n");\ 1918e3206fad5b70e7e0527db2a627ad26616a8a2429plougher printf("as published by the Free Software Foundation; either version "\ 1919e3206fad5b70e7e0527db2a627ad26616a8a2429plougher "2,\n");\ 1920e3206fad5b70e7e0527db2a627ad26616a8a2429plougher printf("or (at your option) any later version.\n\n");\ 1921e3206fad5b70e7e0527db2a627ad26616a8a2429plougher printf("This program is distributed in the hope that it will be "\ 1922e3206fad5b70e7e0527db2a627ad26616a8a2429plougher "useful,\n");\ 1923d4204758f77acb5a371fa1487a755b76a05d5476plougher printf("but WITHOUT ANY WARRANTY; without even the implied warranty of"\ 1924d4204758f77acb5a371fa1487a755b76a05d5476plougher "\n");\ 1925d4204758f77acb5a371fa1487a755b76a05d5476plougher printf("MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the"\ 1926d4204758f77acb5a371fa1487a755b76a05d5476plougher "\n");\ 1927443c15812032991c98b33b5424b17bcd55fe3575plougher printf("GNU General Public License for more details.\n"); 1928443c15812032991c98b33b5424b17bcd55fe3575plougherint main(int argc, char *argv[]) 1929443c15812032991c98b33b5424b17bcd55fe3575plougher{ 1930443c15812032991c98b33b5424b17bcd55fe3575plougher char *dest = "squashfs-root"; 1931b624936abba03d38b7e9245c647339d8f6f34274plougher int i, stat_sys = FALSE, version = FALSE; 1932545404219cdd79c1e06ac7d0698d02a15240c4c3plougher int n; 1933a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher struct pathnames *paths = NULL; 1934a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher struct pathname *path = NULL; 1935ae271cc93e3684d5314bcdc45b631e497ae43166plougher int fragment_buffer_size = FRAGMENT_BUFFER_DEFAULT; 1936ae271cc93e3684d5314bcdc45b631e497ae43166plougher int data_buffer_size = DATA_BUFFER_DEFAULT; 19370cf5c297bec42c7c220d2825f12f9499f2293279plougher char *b; 1938443c15812032991c98b33b5424b17bcd55fe3575plougher 19391b42101056befe25b5f19d5b099e806a2ecee9cdplougher pthread_mutex_init(&screen_mutex, NULL); 1940545404219cdd79c1e06ac7d0698d02a15240c4c3plougher root_process = geteuid() == 0; 1941545404219cdd79c1e06ac7d0698d02a15240c4c3plougher if(root_process) 19429dd8c7a7c2983faeb60c5e5791c3bef2cbbba088plougher umask(0); 19439dd8c7a7c2983faeb60c5e5791c3bef2cbbba088plougher 1944443c15812032991c98b33b5424b17bcd55fe3575plougher for(i = 1; i < argc; i++) { 1945443c15812032991c98b33b5424b17bcd55fe3575plougher if(*argv[i] != '-') 1946443c15812032991c98b33b5424b17bcd55fe3575plougher break; 1947d4204758f77acb5a371fa1487a755b76a05d5476plougher if(strcmp(argv[i], "-version") == 0 || 1948d4204758f77acb5a371fa1487a755b76a05d5476plougher strcmp(argv[i], "-v") == 0) { 1949443c15812032991c98b33b5424b17bcd55fe3575plougher VERSION(); 1950443c15812032991c98b33b5424b17bcd55fe3575plougher version = TRUE; 1951d4204758f77acb5a371fa1487a755b76a05d5476plougher } else if(strcmp(argv[i], "-info") == 0 || 1952d4204758f77acb5a371fa1487a755b76a05d5476plougher strcmp(argv[i], "-i") == 0) 1953443c15812032991c98b33b5424b17bcd55fe3575plougher info = TRUE; 1954c435240f52b78b0ef498118727ba8dad186db26bplougher else if(strcmp(argv[i], "-ls") == 0 || 1955c435240f52b78b0ef498118727ba8dad186db26bplougher strcmp(argv[i], "-l") == 0) 1956443c15812032991c98b33b5424b17bcd55fe3575plougher lsonly = TRUE; 1957d4204758f77acb5a371fa1487a755b76a05d5476plougher else if(strcmp(argv[i], "-no-progress") == 0 || 1958d4204758f77acb5a371fa1487a755b76a05d5476plougher strcmp(argv[i], "-n") == 0) 1959296d7d8a68e33341d68f4354b5e1fe2f3aa275a6plougher progress = FALSE; 1960d4204758f77acb5a371fa1487a755b76a05d5476plougher else if(strcmp(argv[i], "-dest") == 0 || 1961d4204758f77acb5a371fa1487a755b76a05d5476plougher strcmp(argv[i], "-d") == 0) { 196271add234b27054974d5e29f95b3fab3072792a62plougher if(++i == argc) { 1963d4204758f77acb5a371fa1487a755b76a05d5476plougher fprintf(stderr, "%s: -dest missing filename\n", 1964d4204758f77acb5a371fa1487a755b76a05d5476plougher argv[0]); 196571add234b27054974d5e29f95b3fab3072792a62plougher exit(1); 196671add234b27054974d5e29f95b3fab3072792a62plougher } 1967443c15812032991c98b33b5424b17bcd55fe3575plougher dest = argv[i]; 1968d4204758f77acb5a371fa1487a755b76a05d5476plougher } else if(strcmp(argv[i], "-processors") == 0 || 1969d4204758f77acb5a371fa1487a755b76a05d5476plougher strcmp(argv[i], "-p") == 0) { 1970c435240f52b78b0ef498118727ba8dad186db26bplougher if((++i == argc) || 1971c435240f52b78b0ef498118727ba8dad186db26bplougher (processors = strtol(argv[i], &b, 10), 1972d4204758f77acb5a371fa1487a755b76a05d5476plougher *b != '\0')) { 1973d4204758f77acb5a371fa1487a755b76a05d5476plougher ERROR("%s: -processors missing or invalid " 1974d4204758f77acb5a371fa1487a755b76a05d5476plougher "processor number\n", argv[0]); 19750cf5c297bec42c7c220d2825f12f9499f2293279plougher exit(1); 19760cf5c297bec42c7c220d2825f12f9499f2293279plougher } 19770cf5c297bec42c7c220d2825f12f9499f2293279plougher if(processors < 1) { 1978d4204758f77acb5a371fa1487a755b76a05d5476plougher ERROR("%s: -processors should be 1 or larger\n", 1979d4204758f77acb5a371fa1487a755b76a05d5476plougher argv[0]); 19800cf5c297bec42c7c220d2825f12f9499f2293279plougher exit(1); 19810cf5c297bec42c7c220d2825f12f9499f2293279plougher } 1982d4204758f77acb5a371fa1487a755b76a05d5476plougher } else if(strcmp(argv[i], "-data-queue") == 0 || 1983d4204758f77acb5a371fa1487a755b76a05d5476plougher strcmp(argv[i], "-da") == 0) { 1984c435240f52b78b0ef498118727ba8dad186db26bplougher if((++i == argc) || 1985c435240f52b78b0ef498118727ba8dad186db26bplougher (data_buffer_size = strtol(argv[i], &b, 1986d4204758f77acb5a371fa1487a755b76a05d5476plougher 10), *b != '\0')) { 1987c435240f52b78b0ef498118727ba8dad186db26bplougher ERROR("%s: -data-queue missing or invalid " 1988c435240f52b78b0ef498118727ba8dad186db26bplougher "queue size\n", argv[0]); 1989ae271cc93e3684d5314bcdc45b631e497ae43166plougher exit(1); 1990ae271cc93e3684d5314bcdc45b631e497ae43166plougher } 1991ae271cc93e3684d5314bcdc45b631e497ae43166plougher if(data_buffer_size < 1) { 1992d4204758f77acb5a371fa1487a755b76a05d5476plougher ERROR("%s: -data-queue should be 1 Mbyte or " 1993d4204758f77acb5a371fa1487a755b76a05d5476plougher "larger\n", argv[0]); 1994ae271cc93e3684d5314bcdc45b631e497ae43166plougher exit(1); 1995ae271cc93e3684d5314bcdc45b631e497ae43166plougher } 1996d4204758f77acb5a371fa1487a755b76a05d5476plougher } else if(strcmp(argv[i], "-frag-queue") == 0 || 1997d4204758f77acb5a371fa1487a755b76a05d5476plougher strcmp(argv[i], "-fr") == 0) { 1998c435240f52b78b0ef498118727ba8dad186db26bplougher if((++i == argc) || 1999c435240f52b78b0ef498118727ba8dad186db26bplougher (fragment_buffer_size = strtol(argv[i], 2000d4204758f77acb5a371fa1487a755b76a05d5476plougher &b, 10), *b != '\0')) { 2001c435240f52b78b0ef498118727ba8dad186db26bplougher ERROR("%s: -frag-queue missing or invalid " 2002c435240f52b78b0ef498118727ba8dad186db26bplougher "queue size\n", argv[0]); 2003ae271cc93e3684d5314bcdc45b631e497ae43166plougher exit(1); 2004ae271cc93e3684d5314bcdc45b631e497ae43166plougher } 2005ae271cc93e3684d5314bcdc45b631e497ae43166plougher if(fragment_buffer_size < 1) { 2006d4204758f77acb5a371fa1487a755b76a05d5476plougher ERROR("%s: -frag-queue should be 1 Mbyte or " 2007d4204758f77acb5a371fa1487a755b76a05d5476plougher "larger\n", argv[0]); 2008ae271cc93e3684d5314bcdc45b631e497ae43166plougher exit(1); 2009ae271cc93e3684d5314bcdc45b631e497ae43166plougher } 2010d4204758f77acb5a371fa1487a755b76a05d5476plougher } else if(strcmp(argv[i], "-force") == 0 || 2011d4204758f77acb5a371fa1487a755b76a05d5476plougher strcmp(argv[i], "-f") == 0) 2012a52d4c1b3b62c5bd1c63c392a8365afcebbf5b78plougher force = TRUE; 2013d4204758f77acb5a371fa1487a755b76a05d5476plougher else if(strcmp(argv[i], "-stat") == 0 || 2014d4204758f77acb5a371fa1487a755b76a05d5476plougher strcmp(argv[i], "-s") == 0) 2015b624936abba03d38b7e9245c647339d8f6f34274plougher stat_sys = TRUE; 2016d4204758f77acb5a371fa1487a755b76a05d5476plougher else if(strcmp(argv[i], "-lls") == 0 || 2017d4204758f77acb5a371fa1487a755b76a05d5476plougher strcmp(argv[i], "-ll") == 0) { 20189baf35a00f38816d2054deb70184943d0686d03eplougher lsonly = TRUE; 20199baf35a00f38816d2054deb70184943d0686d03eplougher short_ls = FALSE; 2020d4204758f77acb5a371fa1487a755b76a05d5476plougher } else if(strcmp(argv[i], "-linfo") == 0 || 2021d4204758f77acb5a371fa1487a755b76a05d5476plougher strcmp(argv[i], "-li") == 0) { 20229baf35a00f38816d2054deb70184943d0686d03eplougher info = TRUE; 20239baf35a00f38816d2054deb70184943d0686d03eplougher short_ls = FALSE; 2024d4204758f77acb5a371fa1487a755b76a05d5476plougher } else if(strcmp(argv[i], "-ef") == 0 || 2025d4204758f77acb5a371fa1487a755b76a05d5476plougher strcmp(argv[i], "-e") == 0) { 202671add234b27054974d5e29f95b3fab3072792a62plougher if(++i == argc) { 2027d4204758f77acb5a371fa1487a755b76a05d5476plougher fprintf(stderr, "%s: -ef missing filename\n", 2028d4204758f77acb5a371fa1487a755b76a05d5476plougher argv[0]); 202971add234b27054974d5e29f95b3fab3072792a62plougher exit(1); 203071add234b27054974d5e29f95b3fab3072792a62plougher } 2031a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher path = process_extract_files(path, argv[i]); 2032d4204758f77acb5a371fa1487a755b76a05d5476plougher } else if(strcmp(argv[i], "-regex") == 0 || 2033d4204758f77acb5a371fa1487a755b76a05d5476plougher strcmp(argv[i], "-r") == 0) 20344dba330d7b952f2f044d38e342e2ae3ea78910d6plougher use_regex = TRUE; 20354dba330d7b952f2f044d38e342e2ae3ea78910d6plougher else 2036b624936abba03d38b7e9245c647339d8f6f34274plougher goto options; 2037443c15812032991c98b33b5424b17bcd55fe3575plougher } 2038443c15812032991c98b33b5424b17bcd55fe3575plougher 2039feb4051fd2a6f1f5cc65df4c0e8b117800c016c9plougher if(lsonly || info) 2040feb4051fd2a6f1f5cc65df4c0e8b117800c016c9plougher progress = FALSE; 2041feb4051fd2a6f1f5cc65df4c0e8b117800c016c9plougher 2042bfa6e0b4ecb0e0cf3d451d1a094bc88c88593f76plougher#ifdef SQUASHFS_TRACE 2043bfa6e0b4ecb0e0cf3d451d1a094bc88c88593f76plougher progress = FALSE; 2044bfa6e0b4ecb0e0cf3d451d1a094bc88c88593f76plougher#endif 2045bfa6e0b4ecb0e0cf3d451d1a094bc88c88593f76plougher 2046443c15812032991c98b33b5424b17bcd55fe3575plougher if(i == argc) { 2047443c15812032991c98b33b5424b17bcd55fe3575plougher if(!version) { 2048443c15812032991c98b33b5424b17bcd55fe3575plougheroptions: 2049d4204758f77acb5a371fa1487a755b76a05d5476plougher ERROR("SYNTAX: %s [options] filesystem [directories or " 2050d4204758f77acb5a371fa1487a755b76a05d5476plougher "files to extract]\n", argv[0]); 2051d4204758f77acb5a371fa1487a755b76a05d5476plougher ERROR("\t-v[ersion]\t\tprint version, licence and " 2052d4204758f77acb5a371fa1487a755b76a05d5476plougher "copyright information\n"); 2053d4204758f77acb5a371fa1487a755b76a05d5476plougher ERROR("\t-d[est] <pathname>\tunsquash to <pathname>, " 2054d4204758f77acb5a371fa1487a755b76a05d5476plougher "default \"squashfs-root\"\n"); 2055c435240f52b78b0ef498118727ba8dad186db26bplougher ERROR("\t-n[o-progress]\t\tdon't display the progress " 2056c435240f52b78b0ef498118727ba8dad186db26bplougher "bar\n"); 2057c435240f52b78b0ef498118727ba8dad186db26bplougher ERROR("\t-p[rocessors] <number>\tuse <number> " 2058c435240f52b78b0ef498118727ba8dad186db26bplougher "processors. By default will use\n"); 2059c435240f52b78b0ef498118727ba8dad186db26bplougher ERROR("\t\t\t\tnumber of processors available\n"); 2060c435240f52b78b0ef498118727ba8dad186db26bplougher ERROR("\t-i[nfo]\t\t\tprint files as they are " 2061c435240f52b78b0ef498118727ba8dad186db26bplougher "unsquashed\n"); 2062c435240f52b78b0ef498118727ba8dad186db26bplougher ERROR("\t-li[nfo]\t\tprint files as they are " 2063c435240f52b78b0ef498118727ba8dad186db26bplougher "unsquashed with file\n"); 2064c435240f52b78b0ef498118727ba8dad186db26bplougher ERROR("\t\t\t\tattributes (like ls -l output)\n"); 2065d4204758f77acb5a371fa1487a755b76a05d5476plougher ERROR("\t-l[s]\t\t\tlist filesystem, but don't unsquash" 2066d4204758f77acb5a371fa1487a755b76a05d5476plougher "\n"); 2067c435240f52b78b0ef498118727ba8dad186db26bplougher ERROR("\t-ll[s]\t\t\tlist filesystem with file " 2068c435240f52b78b0ef498118727ba8dad186db26bplougher "attributes (like\n"); 2069c435240f52b78b0ef498118727ba8dad186db26bplougher ERROR("\t\t\t\tls -l output), but don't unsquash\n"); 2070c435240f52b78b0ef498118727ba8dad186db26bplougher ERROR("\t-f[orce]\t\tif file already exists then " 2071c435240f52b78b0ef498118727ba8dad186db26bplougher "overwrite\n"); 2072d4204758f77acb5a371fa1487a755b76a05d5476plougher ERROR("\t-s[tat]\t\t\tdisplay filesystem superblock " 2073d4204758f77acb5a371fa1487a755b76a05d5476plougher "information\n"); 2074d4204758f77acb5a371fa1487a755b76a05d5476plougher ERROR("\t-e[f] <extract file>\tlist of directories or " 2075d4204758f77acb5a371fa1487a755b76a05d5476plougher "files to extract.\n\t\t\t\tOne per line\n"); 2076c435240f52b78b0ef498118727ba8dad186db26bplougher ERROR("\t-da[ta-queue] <size>\tSet data queue to " 2077c435240f52b78b0ef498118727ba8dad186db26bplougher "<size> Mbytes. Default %d\n\t\t\t\tMbytes\n", 2078d4204758f77acb5a371fa1487a755b76a05d5476plougher DATA_BUFFER_DEFAULT); 2079d4204758f77acb5a371fa1487a755b76a05d5476plougher ERROR("\t-fr[ag-queue] <size>\tSet fagment queue to " 2080d4204758f77acb5a371fa1487a755b76a05d5476plougher "<size> Mbytes. Default %d\n\t\t\t\t Mbytes\n", 2081d4204758f77acb5a371fa1487a755b76a05d5476plougher FRAGMENT_BUFFER_DEFAULT); 2082c435240f52b78b0ef498118727ba8dad186db26bplougher ERROR("\t-r[egex]\t\ttreat extract names as POSIX " 2083c435240f52b78b0ef498118727ba8dad186db26bplougher "regular expressions\n"); 2084c435240f52b78b0ef498118727ba8dad186db26bplougher ERROR("\t\t\t\trather than use the default shell " 2085c435240f52b78b0ef498118727ba8dad186db26bplougher "wildcard\n\t\t\t\texpansion (globbing)\n"); 2086076b053e2cce5c9172b4f385e866c2e606712a32plougher ERROR("\nDecompressors available:\n"); 2087076b053e2cce5c9172b4f385e866c2e606712a32plougher display_compressors("", ""); 2088443c15812032991c98b33b5424b17bcd55fe3575plougher } 2089443c15812032991c98b33b5424b17bcd55fe3575plougher exit(1); 2090443c15812032991c98b33b5424b17bcd55fe3575plougher } 2091443c15812032991c98b33b5424b17bcd55fe3575plougher 209271add234b27054974d5e29f95b3fab3072792a62plougher for(n = i + 1; n < argc; n++) 2093a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher path = add_path(path, argv[n], argv[n]); 2094b54566f5c433764830c29c83151691d0034de094plougher 2095443c15812032991c98b33b5424b17bcd55fe3575plougher if((fd = open(argv[i], O_RDONLY)) == -1) { 2096d4204758f77acb5a371fa1487a755b76a05d5476plougher ERROR("Could not open %s, because %s\n", argv[i], 2097d4204758f77acb5a371fa1487a755b76a05d5476plougher strerror(errno)); 2098443c15812032991c98b33b5424b17bcd55fe3575plougher exit(1); 2099443c15812032991c98b33b5424b17bcd55fe3575plougher } 2100443c15812032991c98b33b5424b17bcd55fe3575plougher 210102bc3bcabf2b219f63961f07293b83629948f026plougher if(read_super(argv[i]) == FALSE) 2102443c15812032991c98b33b5424b17bcd55fe3575plougher exit(1); 2103443c15812032991c98b33b5424b17bcd55fe3575plougher 2104b624936abba03d38b7e9245c647339d8f6f34274plougher if(stat_sys) { 2105b624936abba03d38b7e9245c647339d8f6f34274plougher squashfs_stat(argv[i]); 2106b624936abba03d38b7e9245c647339d8f6f34274plougher exit(0); 2107b624936abba03d38b7e9245c647339d8f6f34274plougher } 2108b624936abba03d38b7e9245c647339d8f6f34274plougher 210927c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher block_size = sBlk.s.block_size; 211027c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher block_log = sBlk.s.block_log; 2111ba3d412c7c811a9b335a52ec497ce511e35b2bc8plougher 2112ae271cc93e3684d5314bcdc45b631e497ae43166plougher fragment_buffer_size <<= 20 - block_log; 2113ae271cc93e3684d5314bcdc45b631e497ae43166plougher data_buffer_size <<= 20 - block_log; 21148888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher initialise_threads(fragment_buffer_size, data_buffer_size); 21158888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 2116443c15812032991c98b33b5424b17bcd55fe3575plougher if((fragment_data = malloc(block_size)) == NULL) 2117443c15812032991c98b33b5424b17bcd55fe3575plougher EXIT_UNSQUASH("failed to allocate fragment_data\n"); 2118443c15812032991c98b33b5424b17bcd55fe3575plougher 2119443c15812032991c98b33b5424b17bcd55fe3575plougher if((file_data = malloc(block_size)) == NULL) 2120443c15812032991c98b33b5424b17bcd55fe3575plougher EXIT_UNSQUASH("failed to allocate file_data"); 2121443c15812032991c98b33b5424b17bcd55fe3575plougher 2122443c15812032991c98b33b5424b17bcd55fe3575plougher if((data = malloc(block_size)) == NULL) 2123eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher EXIT_UNSQUASH("failed to allocate data\n"); 2124443c15812032991c98b33b5424b17bcd55fe3575plougher 212527c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher if((created_inode = malloc(sBlk.s.inodes * sizeof(char *))) == NULL) 2126443c15812032991c98b33b5424b17bcd55fe3575plougher EXIT_UNSQUASH("failed to allocate created_inode\n"); 2127443c15812032991c98b33b5424b17bcd55fe3575plougher 212827c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher memset(created_inode, 0, sBlk.s.inodes * sizeof(char *)); 2129443c15812032991c98b33b5424b17bcd55fe3575plougher 21301a7e7e871169a6cb6e3470a50b33db83830886e2plougher if(s_ops.read_uids_guids() == FALSE) 21311a7e7e871169a6cb6e3470a50b33db83830886e2plougher EXIT_UNSQUASH("failed to uid/gid table\n"); 2132ba3d412c7c811a9b335a52ec497ce511e35b2bc8plougher 2133cce13b2f8f73a4224f9dcfe203c992a09f22c6bcplougher if(s_ops.read_fragment_table() == FALSE) 2134cce13b2f8f73a4224f9dcfe203c992a09f22c6bcplougher EXIT_UNSQUASH("failed to read fragment table\n"); 2135ba3d412c7c811a9b335a52ec497ce511e35b2bc8plougher 213627c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher uncompress_inode_table(sBlk.s.inode_table_start, 213727c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.directory_table_start); 2138ba3d412c7c811a9b335a52ec497ce511e35b2bc8plougher 213927c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher uncompress_directory_table(sBlk.s.directory_table_start, 214027c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher sBlk.s.fragment_table_start); 2141443c15812032991c98b33b5424b17bcd55fe3575plougher 21428935dc25479321709c74c2f8214cf5365669100eplougher if(read_xattrs_from_disk(fd, &sBlk.s) == 0) 21438935dc25479321709c74c2f8214cf5365669100eplougher EXIT_UNSQUASH("failed to read the xattr table\n"); 21448935dc25479321709c74c2f8214cf5365669100eplougher 2145a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher if(path) { 2146a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher paths = init_subdir(); 2147a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher paths = add_subdir(paths, path); 2148a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher } 2149a706f1b6bb48f288ecaf74e218ce20504bda52c6plougher 215027c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher pre_scan(dest, SQUASHFS_INODE_BLK(sBlk.s.root_inode), 215127c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher SQUASHFS_INODE_OFFSET(sBlk.s.root_inode), paths); 2152eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 215327c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher memset(created_inode, 0, sBlk.s.inodes * sizeof(char *)); 21549b58176e667b67770569c9076a410b27aaa3bcf5plougher inode_number = 1; 2155eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 2156c435240f52b78b0ef498118727ba8dad186db26bplougher printf("%d inodes (%d blocks) to write\n\n", total_inodes, 2157c435240f52b78b0ef498118727ba8dad186db26bplougher total_inodes - total_files + total_blocks); 2158eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 21591b42101056befe25b5f19d5b099e806a2ecee9cdplougher if(progress) 21601b42101056befe25b5f19d5b099e806a2ecee9cdplougher enable_progress_bar(); 21611b42101056befe25b5f19d5b099e806a2ecee9cdplougher 216227c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher dir_scan(dest, SQUASHFS_INODE_BLK(sBlk.s.root_inode), 216327c4b6f7f6a33bf7711c0ee8cd563e4604dc5861plougher SQUASHFS_INODE_OFFSET(sBlk.s.root_inode), paths); 2164443c15812032991c98b33b5424b17bcd55fe3575plougher 21658888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher queue_put(to_writer, NULL); 21668888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher queue_get(from_writer); 21678888b61f8ff4680247d10f7e5beb2ff35e8c867dplougher 21685c7885bc293ab675812fd77a05f59c2917e3e8b4plougher if(progress) { 21691b42101056befe25b5f19d5b099e806a2ecee9cdplougher disable_progress_bar(); 21705c7885bc293ab675812fd77a05f59c2917e3e8b4plougher progress_bar(sym_count + dev_count + fifo_count + cur_blocks, 21711b42101056befe25b5f19d5b099e806a2ecee9cdplougher total_inodes - total_files + total_blocks, columns); 21725c7885bc293ab675812fd77a05f59c2917e3e8b4plougher } 2173eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 2174443c15812032991c98b33b5424b17bcd55fe3575plougher if(!lsonly) { 2175443c15812032991c98b33b5424b17bcd55fe3575plougher printf("\n"); 2176443c15812032991c98b33b5424b17bcd55fe3575plougher printf("created %d files\n", file_count); 2177443c15812032991c98b33b5424b17bcd55fe3575plougher printf("created %d directories\n", dir_count); 2178443c15812032991c98b33b5424b17bcd55fe3575plougher printf("created %d symlinks\n", sym_count); 2179443c15812032991c98b33b5424b17bcd55fe3575plougher printf("created %d devices\n", dev_count); 2180443c15812032991c98b33b5424b17bcd55fe3575plougher printf("created %d fifos\n", fifo_count); 2181443c15812032991c98b33b5424b17bcd55fe3575plougher } 2182eb35c81a4c4500aab9eeea2ba2271c88fe42732aplougher 21839dd8c7a7c2983faeb60c5e5791c3bef2cbbba088plougher return 0; 2184443c15812032991c98b33b5424b17bcd55fe3575plougher} 2185